Or buy something and the warehouse ships them another. I bought something from amazon where reviews said about half the people got the wrong product, and I got the wrong product, returned it and got the wrong one again, and then they wouldn't let me try again.

In a twist, I had previously attempted to order the right product from a different vendor, but I put the wrong one in the cart, and had to pay a restocking fee to return it. They sent me the right one when I ordered it properly.