Pay with anything bigger than a 20£ note in the UK? Suspicious glare and 15 different counterfeit tests.
Pay with a 50$ bill in Canada? I’m sorry, we don’t take monopoly money.
Buy a pack of gum with a 200chf bill? That’ll be 198.50chf change, have a good day!
Try and withdraw 500$? Canada bank says hells no.
Try and withdraw 300£? UK bank says hells no.
Try and withdraw 3000chf? Swiss bank says big or small bills? (and by big bills, I mean 3 x 1000chf bills)