Patent ID: 7493274

Claim:
A computer-implemented method of facilitating user-to-user sales of products within an electronic marketplace, the method comprising: providing access to a browsable electronic catalog of products that may be purchased and sold by users within the electronic marketplace; providing, in association with the electronic catalog, at least (a) a user option to create a marketplace listing to list a unit of a product for sale within the electronic marketplace, and (b) a user option to create a preorder listing to preorder a product from a seller within the electronic marketplace; receiving, by a computer system that comprises computer hardware, a submission from a buyer of a preorder listing for a first product, wherein the preorder listing specifies at least a minimum product condition and a maximum purchase price; receiving a submission from a seller of a marketplace listing for a unit of the first product, wherein the marketplace listing specifies a condition of the unit of the first product and a selling price; determining whether the preorder listing and the marketplace listing match; and in response to determining that a match exists between the preorder listing and the marketplace listing, transacting a sale of the unit of the first product between the buyer and the seller.