The average person will not win a ton of money at the casino. Sure, some win thousands or even millions of dollars. Still, that is rare and will not happen for everyone. Different slot machines and table games offer varying payoffs and potential jackpots. Each casino sets different limits and amounts for all of these games. Therefore, a person playing one game might be able to win a lot more than someone playing another one.
In any case, games like roulette and blackjack offer some giant payoffs. That is true when a person is willing to bet a high amount of money. Slot machines ( Kolikkopelit ) usually have higher payouts but involve a lot more randomness and luck than table games. Either way, a person should stick to games they are comfortable playing and have an understanding of. There is no reason a person should be playing something they are not familiar with. That can lead to nothing but a lot of losses.