About six months ago they came out with a study saying that 70% of state lottery winners within 5 years are bankrupt and in debt more than they won. They said that 90% of Powerball winners become bankrupt and in debt in excess of 20 million dollars within 2 years. I wasn't shocked. A lot of people who win the lottery often are the kind of people who don't know what to do with a large amount of money.
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I saw something interesting in an older study of lottery winners - the ones who keep working tend not to go broke! It seems they just keep living the same life, but don't worry about the bills as much, and typically go on a nicer vacation every year - basically the same ones that they did, but eat in a nicer resturant etc
In short, they don't let the money go to their heads