I don't think it's a super-rare case, but more towards the norm. Here's Jack Black opining about how his son racked up a $3k bill on in app purchases in a game

I don't think it's a super-rare case, but more towards the norm. Here's Jack Black opining about how his son racked up a $3k bill on in app purchases in a game clearly targeted at kids. https://www.youtube.com/watch?v=4Y4YSpF6d6w https://www.youtube.com/watch?v=4Y4YSpF6d6w