Free returns. The sellers eat that. It's dumb and lazy buyers buying junk and not holding them accountable for the
That said, if you care about quality/stuff you buy a lot more than I do, Amazon is a pretty terrible place to shop most of the time. I've encountered this when I want to buy nice stuff, for example a nice and expensive wooden desk. Seems like that's pretty impossible to do on Amazon, as cheap garbage seems to be the name of the game.