Different games have different hold percentages, ranging from 94 to 98 percent, or thereabouts.
While to be a fun game, bear in mind, roulette the bet on sheer chance, and as we have seen with the scenarios above, you finally end up at the mercy of Lady Chances. https://kenhtingame.com/giai-tri/rikvip-huong-dan-choi-mini-poker-tro-choi-don-gian-vui-nhon/458393