Disclosed are systems, methods, and non-transitory computer-readable storage media for conducting sales. A system configured to practice the method receives an inquiry with at least one parameter from a user associated with a sale of an item. The system identifies one or more discount items that satisfy the inquiry and filters the one or more discount items based on a time-sensitive sales opacity scale. The system identifies comparable items for each discount item at nondiscount rates dynamically using real-time data and presents one or more comparable groups to the user, each comparable group including one filtered discount item and respective comparable items. Then the system advances the sale of the discount item based on user acceptance of one of the presented one or more comparable groups.