There is no necessary for any do list or something. What that is important if you win huge amount of money while gambling is to have in mind not to spend more than 1% of the money won on gambling. But some people will think that they can have the luck again and dreaming if far more huge amount of money to be won but eventually they will lose the money. There are businesses and investment that are not risky but they will just prefer to be earning from gambling which is the cause of the problem. Gambling can make someone rich to become poor if the person see gambling as a means of income.