Using the reserve feature to an item can be done by entering a price value in the reserve field. This means that the item will not sell unless that reserve price is exceeded.
Step 1) Click “Auctions” > Click on “Manage Auctions“.
Step 2) Click on the name of your auction.
Step 3) Click on “Items“.
Step 4) Click “Add Items“.
Step 5) Click “Yes” next to “Set a Reserve” and enter the reserve price.