a system and method for the purchase of used compact disks and other mass market removable media over the internet is disclosed , in which the potential seller accesses the purchaser &# 39 ; s website and identifies the cds to be sold from a searchable database . the seller quantifies the condition of the cds to be sold using a ranking criteria specified on the website . an offer price for each cd is computed based upon a percentage of the original list price , discounted by the stated cd condition . the seller is required to enter more than a specified minimum number of titles before receiving a quote price ; the quote price is a total transaction amount only , with the individual cd prices not displayed to the potential seller .