This man’s name is Jerry Selbee, he discovered a loophole in a lottery called Winfall.
When the jackpot reached $5 million and there was no winner, the prize money was distributed among those who matched 3, 4, or 5 numbers.
He was able to discover that if he spent $1,100 on 1,100 tickets, he would make an $800 profit. Over the course of 9 years, he made a total of $7.75 million.