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yep, I really understand what you mean and it's the same as making $ 100 from gambling its very easy if become a bookie (gambling owner).
someone who does not understand how gambling works must think something impossible like there must be a way to win every day from gambling with the help of artificial intelligence or using other ways to be able to earn. but in reality gamblers will always lose and casino always wins so I agree with what you said because it makes perfect sense.
And the funny thing is most gamblers don't understand simple things like this that casinos design their games with such low probability that it would be impossible for gamblers to win continuously at that game unless they find a hole in the game. And because of that gamblers must understand that if they want to get a stable income, they should look for other sources of income, which can provide them with a more stable income.