Abstract: An exemplary embodiment is a system, method and storage medium for back ordering out of stock products. The system includes a host system for receiving an order for a product from a user, determining whether inventory for said product satisfies said order, notifying said user if said inventory for said product does not satisfy said order, receiving a back order request from said user to back order said product if said inventory for said product does not satisfy said order, determining an amount of said product for meeting said back order request, acquiring said amount and updating said inventory, notifying said user that said back order request has been satisfied and receiving a delivery request from said user to deliver said product. A network is coupled to the host system, and a database is coupled to the host system for storing data relating to the back ordering out of stock products.