A shopping system may receive, from a user, a request to add information about an item to a watch list associated with the user; may receive, from the user, a price associated with the item; and may receive, from the user, a schedule associated with the item. The shopping system may identify a vendor offer associated with the item and associated with a particular vendor, where the vendor offer includes a price that is less than or equal to the received price, the identifying being based on the schedule associated with the item; and may provide a notification to the user, where the notification includes information about the identified vendor offer.