Abstract: Enabling price updates is described, including: receiving a request from a customer to review a set of product information associated with a product; sending the set of product information including a price associated with the product to the customer; receiving an update to the price from a seller associated with the product; receiving a request to buy the product from the customer; in response to the request to buy the product, determining that the price has been updated by the seller; and sending a message associated with a change in price to the customer.