Quoted from ccbiggsoo7:offer him quite a large sum over his highest bid he got, tell him you'll pick it up in a week and then never show, that will teach that dumba$$
This, it works and people learn a lesson.
Make every arrangement then radio silence. You will get an angry text when you do not show up. Wait an hour, then say this just is not a prudent purchase. I bought something else.
Sorry you wasted my time.