No, it's a separate function. The auctioneer/seller puts a reserve price so if no one bids up to his minimum, he won't have to sell it. For example, a reserve price could be $350 for a 200 gallon tank. If no one bids over $350, he technically doesn't need to sell it, he still can, but doesn't have to. I hope this helped, if not, you can click a button on aquabid that says something like "What's this?" and click on it for the reserve price and it will explain it