So if you’re betting $1 and lose, your next bet is $1 once more, then $2, $3, $5 and so on. The flatter betting development makes it more sustainable for longer classes compared with Martingale, which doubles bets and burns through bankroll quick. Try a fundamental betting pattern similar to flat betting (same amount each spin) or a light model of D’Alembert (increase by one unit after a loss). European Roulette makes use of a single-zero wheel with 37 pockets (1-36 and 0), lowering the home edge to 2.7%. The layout is almost identical to American Roulette, just with out the 00 or five-number bet.