Casinos are generally not so greedy. It is up to you to make yourself greedy for more by placing unimaginable bets. It is not so hard to win if you have an idea of the proper strategies. Maintain records to keep yourself safe. Better safe than sorry.
Don’t be on drugs when you start playing. Though it is gambling, you need to keep up your reputation. If you are a reputed gambler, then you are sure to win big time. If you want to enjoy your work, then choose to gamble as your career.