Spin Value
Determines actual betting amount per spin. Most offers use £0.10. 200 spins at £0.10 = £20 total value. Higher spin values mean more potential. 100 spins at £0.20 (£20) can outperform 200 at £0.05 (£10).
Maximum Win Caps
Most offers cap withdrawable winnings. Common caps: £30 to £250. PlayOJO and bet365 have no stated cap—potentially more valuable for lucky sessions. William Hill caps at £30 from 200 spins.
Expiry Periods
Ranges from 72 hours (William Hill) to 30 days (bet365, BetVictor). Shorter periods require immediate action. Unused spins forfeit at expiry. Winnings earned before expiry remain in your balance.
Game Selection
Spins lock to specific games chosen by the casino. Higher RTP games give better theoretical returns. Big Bass Bonanza: 96.71% RTP. Game choice affects variance—high volatility means bigger potential swings.