One more thing, I play Plinko, which makes winning faster, it can also be lucky.
Roulette is indeed one of them only to guess numbers but anything in gambling in my opinion can win quickly except with the luck factor, this is not easy as said, it will still be difficult if you are not lucky.
But I'm not sure in sports betting can be profitable faster than choosing big opportunities but big risks.
For me, there is no such thing as winning fast in gambling, be it online slot gambling or at the casino. It's all just luck, maybe if soccer bets are a little more likely to win, and even then if players understand the condition of the team and the quality of the players competing.