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Those are nice tips but how about don't even try it because they could get addicted or it could ruined their life.
But if they really want to try it and they could control their self then the only tip that I could give is try to enjoy it and don't be greedy.
They play for some reason and it will be bad for them if they can't control their emotion because for sure they will just lose money. Good advice though newbie are more prone to addiction because of their weak emotion, my suggestion is that don't spend too much on gambling just have fun and keep living outside the casinos.