Those chip combinations often have colorful names, and dealers memorize the names and payouts to keep games moving. (The more spins, the more money a casino makes, by the way. The house edge for double zero roulette is 5.26%.) Think of picture bets as flash cards for dealers.

What is the most successful roulette strategy? While there is no strategy that can guarantee a profit in the long run when playing roulette, the Martingale betting system is often regarded as the most successful strategy. It is easy to use and can provide good returns.