People who are rude to you, just because you drive an old Plymouth Station Wagon with a fake T-Bird painted on the hood, runs on only a couple cylinders at a time, has hail damage, no front grill and dents all over. IT'S A CLASSIC!
Dishwasher detergent that doesn't work.
When someone gives you their direct extension, and you still have to be on hold for 20 minutes.
Oh, I should write these down more... I know I had more...