An eight-year-old boy has racked up a £ 3,000 ($ 3,700) bill on his mum's credit card after buying Xbox add-ons.
Leon Berriedale-Johnson was not aware that when he was buying Minecraft and Roblox did that Martine would be getting charged.
Martine, from Brighton, is now worried about how she will pay the bill, after Leon spent £ 3,210 ($ 3,980) in just three weeks while playing games online.
Leon made 19 purchases on 16 August, total ling £ 978.81 ($ 1,215.25) and then a couple of days later, with one costing £ 199.99 ($ 248.29).
The mum-of-two says the first she knew of what was her credit card statement arrived, and she saw the charges.
Martine said: "I'd put in my card details once for him to buy an add-on for a game for £ 4.99. That which is supposed to be a one-off special treat.
"I had no idea that my details had been saved on the system and Leon was still using my card to buy more online."
She added: "I saw crazy, I went crazy Xbox. "
Martine said the bill was about 100 times what she usually did pays. and she now fears she will not be readyo feed her family while she's paying it off.
She said, "I'm a single mum and I already struggle to put food on the table.
"But I'm always careful with my finances." I just do not know how.
She's even said the huge bill means she's not going to buy her two sons any Christmas presents this year.
Martine said: "I've told the boys Christmas is canceled and that they're not getting any toys Christmas dinner after this. "
Martine said little Leon was upset when he was Realized what he had done. She said: "He had learned that he was buying something, but he did not understand the financial consequences hey realises what he did. "
The mum claims Leon did not come to the card's security code when it came to the 14-day window to claim refunds.
However, because Leon's purchases were around three weeks ago, Martine can not get any of her money back.
Microsoft has been approached for comment.