reserve price: The least amount of money that the seller will accept. A reserve price protects the seller from losing money on the deal.

reserve price auction: Reserve-price auctions have an extra feature. In addition to a minimum bid, which is required in any eBay auction, a reserve price protects sellers from having to sell an item for less than the minimum amount they want for it.

right-click: A single press and release of the right mouse button.

risk reserve: If you have more than one of the item you sold and the item is lost or destroyed, you can send the backup item as a replacement.