What a feature buy actually costs — and what you get
The real RTP of a 100x bonus buy versus 100x of base-game spins, on Money Train 4 and San Quentin.
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Topic: bonus buy worth it
Glossary terms in this tip
- Bonus buyA slot feature that lets players pay an extra premium (typically 50-100x stake) to instantly trigger the bonus round.
- RTPThe theoretical percentage of total stakes a game pays back to players over a very large number of plays.
- VarianceA measure of how often and how large a slot's wins are. High-variance slots pay rarely but bigger; low-variance slots pay often but smaller.
More slots reading
- BeginnerRTP and volatility — what the numbers actually mean for your bankrollA 96% RTP slot does not mean you keep 96% per session. It means the house keeps 4% over millions of spins. Volatility decides what happens to YOU.
- BeginnerReading the RTP and variance line on a slot info screenWhere to find the two numbers that decide everything else — and what 96.50% RTP at 'high' variance actually feels like over 200 spins.
- BeginnerPaylines vs ways-to-win — the maths in plain English243 ways and 25 paylines do not pay the same. The combination maths and the typical hit-rate shift, on real UK slots.
- BeginnerHow free-spin offers translate to real moneyStake value × wagering × cap. The four-step calculation that turns '100 free spins' into a real GBP figure.