A method includes receiving an identification code for an item selected for purchase by a customer in a retail store, identifying at least one item similar to the customer-selected item, identifying at least one item related to the customer-selected item, calculating a value for a first expected profit for a first sale of the customer-selected item and the similar item, calculating a value for a second expected profit for a second sale of the customer-selected item and the related item, sorting the first sale and the second sale in an order based on the value for the first expected profit and the value for the second expected profit, and providing information associated with the first sale and the second sale, the information for use in recommending the similar item or the related item for purchase by the customer in the retail store.