Sticker glue that is stronger than the sticker paper
This is especially annoying when you buy someone a gift on the way to their house. Now you either have to leave the sticker on, hide the price with a marker, or risk ripping it off and leaving a sticky mess.
Lamps that have the switch on the cord instead of the base
So whenever you try to turn the lamp on in the dark you have to fumble around with the cord.