Here is a ABC video of man who lost an EBay bid on an item and was almost scammed, after receiving fake EBay e-mail messages claiming that he had a second chance to buy the same item:
If you are not able to view the video, you can read the story at ABC news website by clicking here.
This man was smart enough to contact EBay when he was told to wire the money to a bank in London. If something seems suspicious on EBay, always contact them for verification.