The first thing to notice about playing dozens (and the same
applies to any roulette column betting strategy) is that it is a
higher risk bet than 50/50 bets like red or black. If everything
played out like clockwork, you would only win every one in three
spins of the wheel – and add the problem of a zero landing,
negating your bet.
So, by using the same betting
strategy as you might for 50/50 bets, you are likely to lose
quickly; you cannot possibly expect to win enough times to make
any money. You can, however, adapt the most common 50/50
strategies to make a solid roulette dozens system. The
best-known 50/50 strategy is the Martingale System. On 50/50
wagers, like red or black, you double your wager each time you
lose until you win, and then you start back at one unit again. (
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