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Regular luck based is not like that, it is based on house edge which means when you win you get 99 but when you lose you lose 100 and that 1 difference is literally the reason why you can't continue to gamble forever and still make a profit, obviously you can get lucky in few bets but it is not sustainable forever as an income. Streamers are different because they do spend money on gambling but make it back and more from streaming income.
Actually, it's an unsolved problem: for how long you can stay in profit in luck based games, but it's definitely not just a few bets. I know some gamblers whose profit is positive after playing dice for years, with hundreds of thousands bets made. I'm not trying to say that it's possible to make your living from winning in gambling. No, that would turn one's life into hell. But we have to admit that in rare cases it's possible to profit from luck based games for years in a row.