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TOTAL BET > TOTAL WIN
Basically, gambling is a place to duplicate your crypto, not only crypto but others. And it all depends on how you copy it. And I think gambling sites will never care about how much you deposit. The important thing is how many people play with the gambling site. If someone experiences a victory, of course that is a natural thing in my opinion.
It is a big advantage for the house to see the increase in numbers of their gamblers, this means that they can generate more money if they keep on playing knowing that they'll probably win over them.
It sometimes we believe that gambling is a way to loss but somehow we find luck and hoping for a chance to win the jackpot prize. Not all of us have that positive insights and some of gamblers doing this just for fun making them to loss their money is not a big deal for them.