We tried to sell a motorcycle on Ebay once. I had forgotten about that nightmare until reading TAB's experience. All it was was scammers. Sold to be picked up. Followed by an overnight cashier's check for the amount plus shipping, and I am to cash it and pay the shipper when they pickup the bike.
We were in small town at the time, so I called the Sheriff, and he met me at the bank. They all verified what I already knew - It was a rip off, but the Sheriff decided to attempt something. The bank deposited the check in an account and gave me a receipt showing deposit of the net - Cash withheld for shipping. I emailed the receipt to the scammer, and started the process. Next day I received an email with the carrier information, but instructions to wire the funds to an account as the shipper demanded prepayment. Sheriff, the State Agency, and the bank all went to work, and they couldn't get through the maze of information to catch anyone. This whole thing was an attempt to get $650 out of me.
The others who contacted us were all the same. That was the time where I vowed to never sell on Ebay, but also quit buying on them.