Tenp.com shows you No Reserve the Most Popular Mustang on eBay in real-time, as voted by registered eBay users. We continue report this count in real time and show you on this page. No reserve means there is no minimum set so you can bid whatever you want. A reserve price allows the seller to reserve the right not to sell the item unless the reserve price is met. No reserve items on the other hand will sell to the highest bidder. No Reserver is so popular because high probability of finding a great deal.