If you fly to Vegas, put it all on black at roulette, then yes you have 47% chance of doubling your money. But that's a very short vacation with little entertai

If you fly to Vegas, put it all on black at roulette, then yes you have 47% chance of doubling your money. But that's a very short vacation with little entertainment value. The more independent small bets you make, the lower the chance that you will come out ahead.