I'm not encouraging u to gamble, but if u bet within the range of 0.1 btc to 1 btc, u probably get better house edge here than anywhere else.
With a 0.1
BTC bet, you get a 1/16 chance to win 1.584
BTC, which is a ~1% house edge so it would probably be better to bet on other websites, even ones with a 1% edge as you can continue betting if you wish without having to pay again. However, sites like Crypto-Games offer a 0.8% edge on dice, and SafeDice offers an even lower 0.5% edge. For betting on Chain-Bet.com to be worth it now (if you play on a 16x multiplier
only), you would have to bet above 0.2
BTC.
Knowing the very bad odds for small bets, I'm quite surprised you keep getting bets for amounts less than 0.02
BTC, with a essential house edge to the player of 5% with a bet of 0.02
BTC.
Chain-Bet, Have you considered making your game off-chain, but still betting on block hashes?