Quick Shopping Cart can track your product inventory by reducing your stock as items are purchased from your online store. You can also allow products to be backordered and receive email notifications once your inventory reaches a specified threshold.
Quick Shopping Cart tracks inventory on a per-product basis. Enable inventorying on individual Product pages.
Your product inventory displays.
You can export or import your current inventory from the Tasks menu by clicking either Export Inventory or Import Inventory.
Low inventory thresholds are established on a per-product basis. You can opt to receive an email message each time the low inventory threshold is reached by clicking on the product, and then, in the Inventoried section, entering a value for Email Me When Stock Is, and then clicking OK.