Anyone else feel like shops try to do this on purpose sometimes? It's happened way too frequently for my liking. Just now I was in the shop I bought 3 drinks and a packet of crisps. I handed the woman £10 and she gave me back a couple of pound coins. I told her I gave her £10 she said are you sure, this went on for a few minutes, eventually I tell her to check the cameras which she does and there it is £10. Aibu in thinking sometimes they do it on purpose hoping you don't notice?!