List this under things I don't understand. This has happened more than once.

You post something for sale and then never reply to post or pm's. If you've sold it, say so. If someone's money is no good, say so. I'm not talking about the low bid BS offers we all get that aren't worthy of an answer, I'm talking about the just ignore after logging in several times kind.

Just don't get it. Rant off.