In short, this technique works best with even money bets like red/black, odd/even, high and low bets. If you are familiar with betting strategies you will notice that this the Martingale strategy. If you lose, you will have to double your stake for the following spin. According to the roulette strategy, you should maintain your bet amount constant until you win.
Yes, doubling down method does work on roulette. Published by Bonnie Evans DecemCategorie(s): Casino News, Gambling News, Roulette, Strategies