Otherwise, you would possibly run out of cash earlier than you can ever reach the win. There is a 33 p.c probability that black wins, and bets on a dozen and a quantity lose. We do not get a revenue, however we don't lose anything both, as a outcome of the $4 placed on black is doubled, and $1 on the one number and $3 on the dozen are lost. Basically, the roulette betting strategy assumes betting on "even cash" and this isn't an accident. Judge for yourself, betting on "even money" is way simpler to foretell, the probability of a major loss is minimized. If you might be looking for a betting system that can permit you to get a guaranteed profit from roulette, you merely waste your time in useless.