In some embodiments, methods and systems of enabling consumers to purchase substitute products when the products ordered by the consumers are out of stock include processing an internet order for a product received from a consumer in a geographic location and in response to receiving an electronic notification indicating that the product ordered by the consumer is out of stock at a retail sales facility associated with the geographic location of the consumer, generating an electronic message including an indication that the product ordered by the consumer is out of stock at the retail sales facility, and including a selection option of at least one substitute product for the product ordered by the consumer. The methods and system further include transmitting the electronic message from the electronic inventory management device at the retail sales facility to an electronic computing device of the consumer.