Yes, there is a professional gamblers because one of my cousin works in a gambling and he is a professional gambler as well , Its totally a double pay for him he makes money from the gambling and if he wants to bet on his own after the work . That's how he live but before that he use to play around their place where there are small time gambling house and he goes back home with his money won often times than losses . he also manage to have a good gambling plan to limit his losses and try coming back in the other day if he thinks that it is a very bad day or luck that said day.