Systems, apparatuses, and methods are provided herein for dynamic inventory management. A system for dynamic layaway inventory management comprises a layaway contract database, an inventory database, and a control circuit. The control circuit being configured to periodically: aggregate a plurality of layaway contracts in the layaway contract database to determine convey locations and convey dates for one or more units of an item, determine inventory unit counts of the item at a plurality of item locations based on inventory information stored in the inventory database, determine a layaway reserve unit count for each of the plurality of item locations based on the convey locations and the convey dates for the one or more units of the item and the inventory unit counts of the item at the plurality of item locations, and cause a number of available units of the item to be adjusted based on the layaway reserve unit count.