That's what happened to 26-year-old Jon Heywood from Crew, Cheshire when he became an overnight multi-millionaire picking up £13.2M for a ridiculous 25p stake.
Who says playing online slots doesn't pay? This Afganistan war hero couldn't believe his luck when he struck gold.
He said: ''After a tough year seeing my grandad die, the first thing I'm going to do is buy the best possible medical treatment for my father who is waiting for a heart and lung transplant.''
He is also going to spoil himself buying a yellow Bentley Continental GT.
He drives a Fiat Punto!
Jon continued: "I couldn't believe that I'd won all this money at the time - and it still hasn't sunk in.
"It's amazing. The first thing I will spend it on is the best possible medical treatment for my dad. "That's more important than anything. Family comes first and I'd give all this money back for him to be healthy again."
His good fortune means he's paying for his relatives to go on a Mediterranean cruise.
The win is a world record for the largest jackpot payout in an online machine game.
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