I went to the company cafeteria and there was a guy in front of me with a bagel/cream cheese and he charged it on his credit card. It was $1.44. I have no idea if this card was actually credit or if it (as a credit card) debits the money from the guy's checking account, but if that's the case, I would think it would be a nightmare to keep track of a checking account with small amounts deducted frequently. Anyway, a lot of people seem to use credit cards at the cafeteria for low amounts which can be annoying because it always slows down the line.
Now for my question (and I promise not to judge - I'm just curious):