But the discouragement went in one ear and out the other; they carried on gambling and losing coal mine after coal mine. The casino managers wouldn't mind if you won, because you'd always come back. But those who lost might never return. Mathematically, the probability of winning is 70%. Local residents can resist the lure. They rarely go to casinos; even if they do, it'll just be in the holidays or to give their children a coming-of-age gift. They'll come in and play a few games, just to spend their pocket money. They are only in Macau because of work. Generally, dealers can earn thirty to forty thousand patacas a month. What's bad about this line of work, is that they'd see heaps of money every day that they don't want to do bigger things. Making a living by dealing, that's enough. They wouldn't feel like doing anything else.