But it doesn’t take them long to earn it back. But of course sometimes a player wins big, and the casino loses a bit of money. So they have a long term advantage over players. On the European wheel they have a 2.7% edge over average players, but they make millions. The principle is no different for the casinos, except their risks are much lower, although also with a lower percentage return. That’s the kind of returns professional systems can achieve, but in a mater of hours instead of the typical years with other investments. There are numerous professional roulette systems that win in modern casinos. Professional roulette systems must be seen the same was as any investment. If your “investment” like in the stock market returned 200%, you’d be pretty happy. You will lose sometimes, but mostly you will win. When you begin play on a wheel, the risk is calculated. Professional roulette systems are no different to any investment. My answer is always the same: Nothing in life is 100% guaranteed. But every few days someone asks me if my systems are 100% foolproof and loss proof. Ok so to any reasonable mind, this should be obvious. Not even the best roulette tips will guarantee you win. You can try the roulette simulator for free all you like. But a risk-free roulette system that never loses simply doesn’t exist. So you’re looking for a sure win roulette system? If you never play roulette, you won’t lose.