A system and a method for determining at least one of availability and price of a product includes an electronic storage device having a database of merchant transactions stored therein; an access path for allowing access to information concerning the transactions, including when a given product has been sold and the price at which the product was sold, and a processor for assembling the information concerning at least one of sales of the given product and the price at which it was sold, to provide at least one of locations where the product is available, and the price at which the product was sold at the location or locations. A computer readable non-transitory storage medium stores instructions of a computer program which, when executed by a computer system, results in performance of steps of the method for determining at least one of availability and price of a product.