I agree with this 100%
About 5-6 years ago, I sold a pair of concert tickets on eBay. Everything went smooth. Dude bought them, went to the concert and everything. Then, after the concert, dude called PayPal and claims he didnt use the tickets. PayPal gives him his money back, and tries to come after me to pay for it. I told them to kick rocks and never used them again.