The roulette is the game of chance that has made popular a betting system called Martingale. This system has his followers and his detractors. The martingale roulette gambling system it's based on probability theory, and what you have to do is to double your bet if you lose.
For example, if you bet five dollars on red and you lose, the next play should be to bet ten dollars on the red color again. This betting system it's not beneficial for you, because in roulette gambling the bank has an infinite budget and you haven't.
In comparison with the martingale system, the progressive betting system it's more profitable for roulette gambling. The rule of this system works the other way round: the progressive betting system in roulette gambling says that you have to double your bet if you win.
For example, if you bet on five different numbers and you lose everything, try again until you win something. When that happens you will receive 30 new chips. Add one more chip to bet on each number. If you win, you will receive 60 new chips, plus the previous 30, equals 90 chips. When you lose, beggin with one chip again, so you won't lose all your money. It's simple and really fun!