Adding Product Inventory
To add inventory settings to your product, select the products and click on the Inventory Tab:
Stock Status has three options: On Demand, In Stock, and Out of Stock.
1. On Demand option can be used for products which do not have a limited quantity.
2. In Stock option is for available products in certain quantity. With this option, you must add a quantity value to specify the number of available products.
3. Out of Stock option is for products which are out of stock.
When you choose On Demand and Out of Stock, the fields of Quantity, Minimum Quantity, and Maximum Quantity will be disabled.