9. Constantly Hearing That Other Supermarkets Have Better Self-Service
There isn't one shift that goes past in Tesco without a disgruntled shopper reminding staff that they could be shopping elsewhere, but that this store was merely closer. It's priceless information, and helps you sleep at night, but there's really no need for absolutely bloody everyone to point this out! The self-service checkouts in particular come in for some seriously rough treatment, being treated like the scum of the universe. No, they never work, and they never will, it's just a fact of life, but shouting at poor Gerald behind the checkouts won't change that, and neither will informing him that you've never had such troubles in Morrisons.