Only the rich people can increase their bankroll to play with high bets. Or if you are the lucky guy you win any big jackpot it is possible. Otherwise, don't imagine to become rich from gambling. It's just time and money waste. If you are a small gambler play this for fun and be happy with your winnings, don't expect more from gambling.
Not really as anyone might be able to be rich from gambling although the chance is very thin . Even if you are a small gambler, it is not wrong to play to win however it will still be much better to just invest in a gambling sites. You are most likely going to get profit from the site however that with the condition if you get quite good percentage of supporting the bankroll