What annoys me is people paying by bloody card for stuff that costs less than a tenner, particularly when there is a cash machine in the shop which doesn't charge. Sometimes they even get cashback. That is just selfish.
When queueing you want to pick a queue with mainly men in because they are more likely to pay using money. Also, women, for all the shopping they do, they always seem surprised when asked to pay. Suddenly they start fumbling around in their tardis like bags for a purse and then either for money within said purse or a card. They have to be shown how to put the card into the chip and pin reader even though they've probably done it a hundred times before.
WOMEN: Have your method of payment ready when you reach the till. Otherwise you're wasting all of our time.