1. A non-transitory computer-readable medium embodying a program executable in a computing device, the program comprising: code that obtains, from a seller operating from a guest account in an electronic marketplace, an image representing a product, attributes of an offer for sale of the product in the electronic marketplace, and contact information for the seller, wherein operating from the guest account does not require the seller to provide disbursement information until the seller is notified of a purchase; code that determines an identifier of the product based at least in part on the image using computerized image recognition; code that searches an electronic catalog for at least one matching product that at least partially matches the identifier; code that presents, to the seller, information about the at least one matching product; code that receives an indication from the seller to proceed with the offer for the at least one matching product; code that generates, upon receiving the indication and based at least in part on the attributes and the identifier, the offer by the seller to sell the product in the electronic marketplace; and code that obtains the disbursement information from the seller and notifies the seller through the contact information when a buyer purchases the offer to complete a sale of the product.