âAdvertisement promoting the Imperial Academy. An Imperial Academy was a military training program run by the Galactic Empire, and primarily focused on training both the enlisted and officer corps of the Imperial Military.
People have created accounts and bid on their own stuff to try to raise the price. If caught, they are deleted from the system by E-bay. As many people wait until the last few minutes to make a bid, it is probably the surest way to win something.
If the auction has over 12 hours remaining. You can retract a bid at any time, for any of the reasons listed above. In this case, eBay will erase all bids that you have placed for the item. If you still want to bid for the item (in case, for example, you entered a wrong bid amount), you will have to place a new bid.