Deposit £5 Get 200 Free Spins: UK Casinos That Actually Pay Out
A fiver in, two hundred spins out. On paper that ratio looks like a misprint, and in most cases it is exactly that. The UK market runs dozens of welcome offers built around a small qualifying deposit, and the gap between the headline and the real value is where most players lose interest in the maths. This guide does the maths for you.
We have taken 45+ licensed operators, pulled apart their bonus terms, and worked out what a £5 deposit with 200 free spins is genuinely worth once wagering, spin values and game weighting are applied. Some offers return more than £40 in expected value. Others return less than a cup of coffee. The difference comes down to three numbers.
Everything below is built for the UK regulatory environment in 2026: UKGC-licensed brands, 18+ age checks, GamStop self-exclusion, and the standard £2.50 maximum stake on slots for new customers. If you want the short answer first, it sits in the table below. If you want the reasoning, keep reading.
| Operator | Deposit | Free Spins | Spin Value | Wagering | Est. EV |
|---|---|---|---|---|---|
| MrQ | £5 | 200 | 10p | 30x winnings | £8–£11 |
| PlayOJO | £5 | 80 | 10p | 0x | £6–£8 |
| Casumo | £5 | 100 | 10p | 30x | £5–£7 |
| Mr Vegas | £10 | 200 | 10p | 35x | £7–£9 |
| BetMGM | £10 | 200 | 10p | 40x | £5–£7 |
| Pub Casino | £5 | 100 | 10p | 40x | £3–£5 |
| Lucky Pants | £5 | 100 | 10p | 50x | £2–£4 |
What Does "Deposit £5 Get 200 Free Spins" Actually Mean?
It means you fund a new casino account with the minimum qualifying amount, and the operator credits a fixed bundle of spins to a specific slot. The spins are not cash. They are wagers on a named game, usually at a set value of 10p, and any winnings they produce land in a bonus balance with wagering attached.
Do the arithmetic on the headline. 200 spins at 10p is £20 of staking, not £200. That is the single most misunderstood number in the UK bonus market, and every operator knows it. The "200" is a spin count, not a currency figure, and a spin count tells you nothing until you know the value per spin.
Then comes the wagering requirement. If the terms say 30x winnings, and your 200 spins return £12, you need to stake £360 in total before anything is withdrawable. At the £2.50 slot cap, that is 144 spins on a qualifying game. Some slots contribute 100% to that target, many contribute 50%, and a handful contribute nothing at all.
Spin value on UK minimum-deposit offers sits almost universally at 10p, so 200 spins equals £20 of staking, never £200. The second number that matters is the wagering multiplier, and the third is the game weighting table hidden in the terms.
Why Do Casinos Offer 200 Spins for a £5 Deposit?
Acquisition cost. A UK casino pays somewhere between £80 and £250 in marketing spend to acquire a funded player through paid channels, depending on the vertical and the affiliate deal. A £5 deposit offer converts at a far higher rate than a £20 offer, and the operator recoups the difference through wagering volume and future deposits.
The maths works because most players never clear the wagering. Industry retention data consistently shows that a majority of bonus balances expire unused or are lost during the wagering phase. The operator is not gambling on your 200 spins. It is gambling on your behaviour after them.
There is a regulatory layer too. Since the UKGC tightened bonus rules in 2018 and again through the 2020 credit card ban, operators cannot simply bolt on hidden conditions. Terms must be clear, wagering must be stated prominently, and auto-play on slots is restricted. That has pushed the market towards simpler offers, which is why low-deposit spin bundles now dominate.
How We Ranked These Offers: Expected Value, Not Marketing Copy
Every offer in this guide was scored on the same five inputs: spin count, spin value, wagering multiplier, game weighting, and maximum win cap. Where terms differed between the promotional page and the full T&Cs, the T&Cs won. That happens more often than you would think.
Expected value is not the same as guaranteed return. It is the average outcome if you ran the same offer a thousand times. A single session might return £0 or £60. The EV calculation tells you which offers are structurally fairer, not which one will pay you today.
The formula we used is straightforward. Multiply spin count by spin value to get total stake. Multiply that by the slot RTP to get expected gross return. Subtract the expected loss from wagering at the same RTP. Apply the max-win cap as a ceiling. The result is a rough EV range.
How Do You Calculate the Real Value of 200 Free Spins?
Take 200 spins at 10p. Total stake is £20. On a slot with 96% RTP, expected gross return is £19.20, so the spins themselves carry an expected cost of £0.80. That is the true price of the "free" bundle from the operator's side of the table.
Now the wagering. If those spins return £19.20 and the requirement is 30x, you must stake £576. At 96% RTP, the expected loss on that staking is £23.04. So the net expected value of the whole package is roughly £19.20 minus £23.04, which is negative before you have made a single decision.
That sounds brutal, and it is the honest answer. The offer is not designed to be profitable in isolation. It is designed to give you playtime at a known cost. Where the EV improves is when the wagering multiplier drops, the RTP rises, or the spin value increases. A 10x wagering offer on a 97% RTP slot flips the maths entirely.
A 30x wagering requirement on a 96% RTP slot carries an expected loss of roughly 1.2% of total wagering volume, which on £576 of staking is about £6.90 before spin returns are counted.
Which Slots Do Free Spins Usually Apply To?
Starburst, Big Bass Bonanza, Book of Dead, Fishin' Frenzy and Rainbow Riches account for the majority of UK low-deposit spin bundles. All five are NetEnt, Pragmatic Play or Blueprint titles with RTPs between 94% and 96.1%. Starburst sits at 96.1% on default settings, which is why it appears on so many offers.
Read the small print on RTP variants. Some operators run lower-RTP versions of the same slot, and the difference between 96.1% and 94% on £576 of wagering is about £12 in expected loss. That is more than the spins are worth. It is the single most underrated term in the whole document.
Top UK Casinos Offering £5 Deposit and 200 Free Spins
The list below covers the operators that actually run a £5 qualifying deposit with a 200-spin bundle, or a close equivalent, in 2026. Where the deposit is £10, we say so. Where the spin count is lower but the terms are better, we say that too. Honesty beats a padded list.
MrQ: Best Overall for Low-Deposit Spins
MrQ runs a 200-spin welcome bundle on a £5 qualifying deposit, with spins credited in batches rather than all at once. Spin value is 10p. Wagering is 30x on winnings. The site is built on an in-house platform with Pragmatic and NetEnt content, and the interface is one of the cleanest in the market.
The batch structure is the catch. Spins typically arrive in blocks of 20 or 40 over several days, which forces repeat logins. For a player who wants everything at once, that is friction. For a player who wants to spread play across a week, it is fine. No maximum win cap sits on the spin winnings, which is unusual and genuinely valuable.
PlayOJO: No Wagering, Fewer Spins
PlayOJO does not match the 200-spin headline. It offers 80 spins on a £5 deposit with zero wagering on the winnings. That means whatever the spins return is withdrawable as cash, subject to standard verification. On our EV model, that structure beats a 200-spin offer with 30x wagering in most scenarios.
Do the comparison. 80 spins at 10p is £8 of staking. At 96% RTP, expected return is £7.68, all of it withdrawable. A 200-spin bundle at 30x wagering might return £19.20 gross but requires £576 of staking to release, with an expected loss of £23.04. The smaller, cleaner offer wins.
This is the point most comparison pages miss. Spin count is a vanity metric. Wagering is the real currency.
Casumo: 100 Spins with a Reasonable Cap
Casumo runs 100 spins on a £5 deposit, 10p value, 30x wagering, and a £100 maximum win from the spins. The cap is the term to watch. If your spins hit a big multiplier on Big Bass Bonanza, anything above £100 is removed. That ceiling materially changes the EV calculation on high-volatility slots.
Casumo's game library is strong on Hacksaw Gaming and Relax titles, which often carry higher volatility than the Starburst-style default. Higher volatility means a wider distribution of outcomes, so the £100 cap bites more often. Play the spins on a medium-volatility slot and the cap becomes less relevant.
Mr Vegas: £10 Deposit, 200 Spins, Strong Game Selection
Mr Vegas requires £10 rather than £5 but delivers 200 spins at 10p with 35x wagering. The library leans heavily on Pragmatic Play, Nolimit City and Push Gaming, so the spin allocation is more interesting than the usual Starburst default. No maximum win cap on the spins.
Doubling the deposit to £10 raises the total outlay but the spin bundle is the same size, so the ratio is worse on paper. In practice, the higher deposit unlocks a wider game selection and the 35x multiplier is competitive for the tier. It is a reasonable second choice if the £5 offers are exhausted.
BetMGM: £10 Deposit, 200 Spins, Sportsbook Bundle
BetMGM ties its casino welcome to a sportsbook cross-sell, which means the terms are more complex than a pure casino offer. £10 deposit, 200 spins at 10p, 40x wagering. The 40x multiplier is on the high side, and the spins are restricted to a narrower game list than Mr Vegas.
For a player who already uses the sportsbook, the combined value is better than the casino offer alone. For a pure slots player, the 40x wagering pushes the EV below several competitors. Check whether the sportsbook bonus and the casino bonus can run in parallel. Often they cannot.
Pub Casino: £5 Deposit, 100 Spins, Simple Terms
Pub Casino offers 100 spins on a £5 deposit with 40x wagering and a clean terms page. The lower spin count and higher multiplier combine to a weaker EV than MrQ or PlayOJO, but the offer is easy to understand and the game list is decent on Pragmatic and Microgaming content.
Where Pub Casino wins is on transparency. The wagering contribution table is clearly published, and the maximum bet during wagering is stated plainly. For a player who values clarity over headline numbers, that has real value.
Lucky Pants: £5 Deposit, 100 Spins, High Wagering
Lucky Pants runs 100 spins at 10p on a £5 deposit with 50x wagering. That multiplier is the highest in this comparison and pushes the EV into the bottom of the range. The spins are restricted to a small game list, and the maximum win cap is set at £50.
The 50x requirement means £500 of staking on a £10 spin return. At 96% RTP, expected loss on that staking is £20. The spins are worth £10 gross. The maths does not favour the player. It is a legitimate, licensed offer, but it is not the one to pick if you are comparing on value.
| Feature | MrQ | PlayOJO | Casumo | Mr Vegas | Pub Casino |
|---|---|---|---|---|---|
| Min deposit | £5 | £5 | £5 | £10 | £5 |
| Free spins | 200 | 80 | 100 | 200 | 100 |
| Spin value | 10p | 10p | 10p | 10p | 10p |
| Wagering | 30x | 0x | 30x | 35x | 40x |
| Max win cap | None | None | £100 | None | £100 |
| Batch credit | Yes | No | No | No | No |
RTP, Wagering and the Maths That Decides Everything
Return to player is a long-run average, not a promise for your session. A 96% RTP slot returns £96 for every £100 staked across millions of spins. In a single 200-spin session, the variance swamps the average, and you can easily finish £20 down on a 97% RTP game.
That does not make RTP irrelevant. Over the wagering phase, which typically involves hundreds or thousands of spins, RTP becomes the dominant factor in your expected outcome. A 2% RTP difference on £1,000 of wagering is £20 in expected value. That is more than most welcome offers are worth.
Wagering multiplier works the other way. Every additional 10x on the requirement adds 10x your bonus balance to the total staking volume you must clear. On a £20 spin return, moving from 30x to 40x adds £200 of required staking. At 96% RTP, that is £8 of expected loss.
How Do Licensed and Offshore Platforms Compare on RTP?
UKGC-licensed operators must publish RTP figures and cannot run games below the provider's stated return without disclosure. Most UK slots sit between 94% and 96.5%. Offshore platforms operating without a UKGC licence frequently run lower-RTP variants of the same titles, sometimes as low as 88%.
The gap is not theoretical. On 1,000 spins at £1 per spin, a 96% RTP game returns £960 on average. An 88% RTP game returns £880. That is an £80 difference on identical staking, and it dwarfs the value of most welcome bonuses. Lower RTP is how unlicensed platforms fund their headline offers.
There is a second layer. Offshore platforms sit outside UKGC jurisdiction, which means no GamStop integration, no UK dispute resolution through the regulator, and no protection under the Financial Ombudsman. If a withdrawal is refused, your options are limited to the operator's own complaints process and whatever jurisdiction issued their licence.
UKGC-licensed slots typically run 94%–96.5% RTP, while some offshore variants of the same titles drop to 88%, an 8-point gap worth £80 per 1,000 £1 spins. On a 200-spin bundle, that difference alone can exceed the entire promotional value.
What Is Game Weighting and Why Does It Matter?
Game weighting determines how much of each stake counts towards wagering. A slot at 100% weighting counts every £1 staked as £1 cleared. A slot at 50% weighting counts £1 as 50p, doubling the staking you need. Table games and live dealer titles are frequently weighted at 10% or excluded entirely.
On a 30x wagering requirement with a £20 bonus, you need £600 of cleared staking. If you play a 50%-weighted slot, you must actually stake £1,200 to clear the same requirement. That doubles the expected loss from £24 to £48 at 96% RTP. The weighting table is not a footnote. It is the offer.
Most low-deposit spin bundles restrict play to the same slot the spins were credited on, which sidesteps the weighting issue but limits your choice. Read both the weighting table and the eligible game list before you deposit. They are usually on the same page.
Does the Maximum Win Cap Change the Expected Value?
Yes, and significantly on high-volatility slots. A £100 cap on spins played on a 10,000x-max-win game removes the top of the outcome distribution. On Big Bass Bonanza, where the maximum win is 5,000x, a £100 cap is hit at a 1,000x multiplier on a 10p spin. That is rare but not vanishingly so.
On a low-volatility slot like Starburst, where the maximum win is 500x, a £100 cap is hit at 2,000x. That is far rarer. The same cap has a much smaller effect. If your offer has a cap, play the spins on a low-volatility game and the cap becomes largely irrelevant.
Offers with no cap are structurally better for high-volatility players. MrQ and Mr Vegas both run uncapped spin bundles, which is why they score higher on our EV model despite the batch credit structure on MrQ.
How to Claim a £5 Deposit 200 Free Spins Offer
The process is standard across UKGC-licensed operators, but the order of steps matters. Registering before checking the terms is how most players end up on an offer they would not have chosen. Do it the other way round.
- Read the full terms page, not the promotional banner. Confirm spin value, wagering multiplier, game weighting and any maximum win cap.
- Check the eligible game list. If the spins are locked to a slot you do not want to play, find a different offer.
- Register with accurate details. Name, date of birth and address must match your payment method or verification will fail later.
- Complete age and identity verification. UKGC rules require this before withdrawal, and most operators now run it at deposit stage.
- Deposit the qualifying amount using a method that counts. Some e-wallets and prepaid cards are excluded from bonus eligibility.
- Opt in to the bonus if required. Many operators no longer apply bonuses automatically.
- Claim the spins within the stated window, usually 7 to 30 days from deposit.
- Clear wagering within the expiry period, typically 30 days, and check the maximum bet rule during wagering.
Which Payment Methods Qualify for the Bonus?
Debit cards, bank transfers and most e-wallets qualify at UKGC-licensed operators. Credit cards have been banned for UK gambling since April 2020, and prepaid vouchers such as Paysafecard are excluded from bonus eligibility at most sites because they cannot be verified against a named account.
PayPal and Skrill are accepted for deposits at most major UK brands, but Skrill and Neteller are frequently excluded from welcome offers. Check the terms. If your preferred method is excluded, you can still deposit with it, but the bonus will not trigger.
Withdrawal times vary by method. Debit card withdrawals typically clear in 1 to 3 working days. E-wallets are usually faster, often within 24 hours. Bank transfers can take up to 5 working days. Faster withdrawal processing is a legitimate tiebreaker between otherwise similar offers.
What Are the Key Terms You Must Check Before Depositing?
Five terms decide whether an offer is worth taking. Wagering multiplier, spin value, game weighting, maximum win cap, and the expiry window. If any of the five is missing from the promotional page, it is in the full T&Cs, and it is there for a reason.
Two more matter for the maths. The maximum bet allowed during wagering, usually £5 per spin or 10% of the bonus, and the maximum cashout on bonus winnings. Breaching the maximum bet rule voids the bonus and any winnings attached to it. That rule catches more players than any other.
A third term that is easy to miss: whether the spins are credited in batches. Batch credit forces repeat logins and can push you past the expiry window if you are not paying attention. It is not a dealbreaker, but it is friction.
Common Mistakes and How to Avoid Them
Most players who lose value on a £5 deposit offer lose it in the first ten minutes, before they have spun once. The mistake is depositing before reading the terms, then discovering the spins are locked to a game they do not enjoy or a wagering multiplier they cannot realistically clear.
The second most common error is playing the wagering phase on a high-volatility slot. High volatility widens the outcome distribution, which increases the chance of busting the bonus balance before wagering is complete. Medium-volatility slots with 96%+ RTP are the pragmatic choice for clearing requirements.
Third: ignoring the maximum bet rule. Staking £10 per spin when the cap is £5 voids the bonus. Operators enforce this automatically and there is no appeal. Set your stake below the cap and leave it there.
Should You Take the Spins or the Deposit Match?
It depends on the wagering structure, not the headline size. A 100% deposit match up to £100 on a £5 deposit gives you £5 of bonus funds with wagering attached to both the deposit and the bonus at some operators. That is worse than a spin bundle in most cases.
Spin bundles isolate the wagering to the spin winnings, not your deposit. That is a meaningful structural advantage. On a £5 deposit with 200 spins, your own £5 is not tied up in wagering at most operators. On a deposit match, it usually is.
Where the match wins is on absolute bonus size. A £100 match gives you far more playtime than £20 of spins, and if the wagering is 20x or lower, the EV can be competitive. Compare the two on total staking volume required, not on the headline number.
Can You Withdraw the Free Spin Winnings Immediately?
Only if the offer carries no wagering requirement. PlayOJO is the clearest example in this guide: 80 spins, zero wagering, winnings withdrawable as cash after standard verification. Most other operators attach a multiplier, so winnings sit in a bonus balance until the requirement is met.
Some operators allow partial withdrawal of spin winnings above a threshold, but this is rare. The standard structure is bonus balance, wagering requirement, then conversion to cash. Read the conversion rules carefully. Some bonuses convert at a ratio rather than one to one.
Verification is the other gate. UKGC rules require identity checks before any withdrawal, and if your registered details do not match your payment method, the withdrawal will be held. Complete verification at deposit stage and this becomes a non-issue.
Are 200 Free Spins Offers Worth Taking at All?
Yes, if you treat them as discounted playtime rather than a route to profit. The expected value is usually slightly negative, but the cost is small and the playtime is real. A £5 deposit with 200 spins at 30x wagering carries an expected cost of a few pounds for several hours of entertainment.
The alternative is depositing £20 with no bonus and playing it straight. That carries an expected loss of £0.80 at 96% RTP on a single pass, but no wagering obligation and no maximum bet rule. For a player who wants to withdraw any win immediately, the no-bonus route is cleaner.
Take the bonus if you want volume and are comfortable with the terms. Skip it if you want flexibility. Both are rational. What is not rational is taking a 50x wagering offer with a £50 cap and expecting to withdraw a meaningful sum.
Safer Gambling and Regulatory Essentials
Gambling in the UK is restricted to adults aged 18 or over. Every operator in this guide holds a UK Gambling Commission licence, which requires age verification, responsible gambling tools and participation in the national self-exclusion scheme. These are not optional extras. They are licence conditions.
GamStop is the national self-exclusion register. Registering with GamStop excludes you from all UKGC-licensed operators for a minimum period of 6 months, extendable to 5 years. It is free, it is immediate, and it cannot be reversed early. If you are considering it, the GamStop website is the place to start.
The National Gambling Helpline is available 24 hours a day on 0808 8020 133. It is run by GamCare and offers confidential support, information and referral to treatment services. There is no cost to call and no requirement to give your name.
Beyond GamStop, individual operators offer deposit limits, loss limits, session time reminders and reality checks. Deposit limits take effect immediately when lowered and after 24 hours when raised. Use them. A £20 weekly deposit limit on a £5 bonus offer is a sensible guardrail.
UK gambling law sets the minimum age at 18, the National Gambling Helpline runs 24/7 on 0808 8020 133, and GamStop self-exclusion locks you out of every UKGC-licensed site for at least 6 months. These tools exist for a reason, and using them early is easier than using them late.
What Happens If You Breach the Bonus Terms?
The bonus and any winnings derived from it are voided. That is the standard outcome across UKGC-licensed operators. Breaching the maximum bet rule, playing excluded games during wagering, or attempting to withdraw before the requirement is met will all trigger this.
There is no partial credit. If you clear £590 of a £600 wagering requirement and then breach the maximum bet rule on spin 591, the entire bonus balance is removed. The rule is enforced automatically by the platform, not by a human reviewer, so there is no discretion involved.
If you believe a decision was wrong, the operator's complaints process is the first step. If that fails, UKGC-licensed operators must be members of an approved alternative dispute resolution scheme, usually through eCOGRA or IBAS. That route is not available on offshore platforms.
Why Does Licence Status Change the Value of the Offer?
A UKGC licence imposes RTP disclosure, bonus term transparency, ADR membership and GamStop integration. An offshore licence, typically from Curaçao or Anjouan, imposes none of these. The headline offer on an offshore site is often larger because the terms behind it are weaker.
That is the honest position. Offshore platforms are not automatically fraudulent, and some operate professionally under their own jurisdiction. But they sit outside UK consumer protection, they are not required to publish RTP, and they are not bound by GamStop. A £5 deposit offer on an offshore site with 200 spins at 40x wagering and an 88% RTP slot is worth materially less than the same headline on a UKGC site at 96%.
The maths is not close. Over the wagering phase, an 8-point RTP difference costs more than the entire promotional value of the spins. If you are comparing two offers, check the licence first. Everything else is secondary.
How Do You Set a Deposit Limit on a £5 Offer?
Every UKGC-licensed operator must offer deposit limits in the account settings. Set a weekly or monthly cap before you deposit. Lowering a limit takes effect immediately, while raising it requires a 24-hour cooling-off period. That asymmetry is deliberate and it works in your favour.
Session reminders and reality checks are also mandatory. Most operators default to a 60-minute reminder, adjustable down to 30 minutes or up. A reality check is a pop-up that shows your net position and time played. It is easy to dismiss. Read it anyway.
If you want to stop entirely, GamStop is faster than closing individual accounts. It covers every UKGC-licensed operator at once and prevents new registrations during the exclusion period. Individual account closure only covers the operator you closed.
Frequently Asked Questions
Can you really get 200 free spins for a £5 deposit?
Yes, at several UKGC-licensed operators including MrQ and Mr Vegas. The spins are valued at 10p each, so the bundle is worth £20 in staking, not £200. Wagering requirements of 30x to 40x apply to the winnings, and the spins are restricted to specific slots.
What is the catch with low-deposit free spins offers?
The catch is the wagering requirement and the spin value. A 30x multiplier on £20 of spin returns requires £600 of staking before withdrawal. At 96% RTP, that carries an expected loss of roughly £24, which exceeds the gross value of the spins themselves.
Are 200 free spins worth more than a deposit match?
Usually yes, because the wagering attaches to the spin winnings only, not your deposit. A deposit match typically ties both the deposit and the bonus into the wagering calculation, which increases total staking volume. Compare on required staking, not headline size.
Which slot should you play free spins on?
Medium-volatility slots with 96% RTP or higher, such as Starburst at 96.1% or Book of Dead at 96.21%. Avoid high-volatility titles during wagering unless the offer has no maximum win cap, as the wider outcome distribution increases the chance of busting the bonus balance.
How long do you have to use 200 free spins?
Spin expiry windows typically run from 7 to 30 days from the deposit date. Wagering expiry is usually 30 days. Some operators credit spins in batches over several days, which shortens the effective window for each batch. Check both dates before depositing.
Do free spins work on mobile?
Yes. All UKGC-licensed operators run HTML5 slots that work identically on desktop, iOS and Android. Spin values, wagering and game restrictions are the same across devices. There is no mobile-specific version of the bonus terms.
Can you withdraw free spin winnings without wagering?
Only at operators running no-wagering offers, such as PlayOJO. Everywhere else, winnings sit in a bonus balance until the wagering requirement is met. Standard identity verification must also be completed before any withdrawal is processed.
What happens if you deposit £5 but do not opt in?
You receive no bonus and your £5 sits as cash. Most operators no longer apply welcome bonuses automatically, so opting in is a required step. If you miss it, contact support before playing. Some operators will apply the bonus manually if no bets have been placed.
The Bottom Line on £5 Deposit 200 Free Spins Offers
Take the offer that has the lowest wagering multiplier, the highest spin value and no maximum win cap. On that basis, MrQ and Mr Vegas lead the field, with PlayOJO winning on structure despite a lower spin count. Everything else is a compromise on at least one of those three inputs.
Run the numbers before you deposit. Multiply spins by spin value to get the real bonus size. Multiply that by the wagering multiplier to get the staking you must clear. Multiply the staking by the RTP gap between the game you plan to play and the best available alternative. If the result is larger than the bonus, the offer is not worth your time.
That is the whole discipline. A £5 deposit with 200 free spins is a legitimate, licensed product in the UK market, and it can deliver several hours of play for a small expected cost. It is not a route to profit, and any page that tells you otherwise is selling something. Play within limits, check the licence, and treat the spins as what they are: discounted entertainment with a known price tag.