What's the most annoying Costco behavior you experience regularly?
I do not understand why people aren't satisfied with the uppermost (open) case of whatever when there's a large stack (and, let's face it--everything is stacked at Costco). I watch them struggle to lift 4 or 5 cases so they can pick one box of raisins from the 5th level down. I get if there was one left on top that was crushed or some other moron opened...but, really?
The other one is the family of 5 that walk next to each other (think front line of an NFL team) while pushing the cart as slowly as possible down the 'wrong' side of the aisle.
Genuinely curious about why leaving a cart in an aisle and walking off is considered a faux pas.
I typically leave my cart in a less congested aisle to go and get items in another aisle while leaving it butted up next to some items in a way that keeps the aisle free and allows people to get to whatever it's parked next to.