A system and a method for determining when a predetermined number of a specific product or of a type of product has been sold so that an alert can be generated when the number sold exceeds the predetermined number. Transaction rules can be set to monitor transaction data in a database to achieve this result. The transaction rules can be set for a generic product, for a specific product, or to exclude certain products. The system and the method issue an additional alert when data in a database indicates that the number of a specific product or of a type of product being sold in a selected time frame is below the selected predetermined number or another selected predetermined, for a selected period of time.