From your control panel Products > Settings > Inventory you can change the following settings:
|Manage Stock||Yes/ No||If set to "Yes" it decreases the number of products in stock when purchased.|
If you don't need to keep track of available stock (for example digital or downloadable products) you can set it to "No".
|Low Stock Tab Threshold||1(by default)||You can set the number for when a product appears in your Low Stock Tab within your Product List.|
|Minimum Qty Allowed in Shopping Cart||You can set a minimum quantity of a product which the customer has to add to the cart. This minimum quantity is per item in the cart, not for the whole cart!|
|Maximum Qty Allowed in Shopping Cart||10000 (by default)||This is the maximum number of items that customers can add to the cart.|
-Allow Qty Below 0.
-Allow Qty Below 0 and Notify Customer.
|-No Backorders: Customers can't purchase out of stock products.|
-Allow Qty Below 0: Customers can purchase out of stock items.
-Notify: Customer will see a message upon checkout that this is a backorder.
|Qty for Item's Status to Become Out of Stock||0 (by default)||By default, when the quantity of a product becomes zero, its stock availability automatically changes to Out of Stock.|
|Only X left Threshold||0||This will show "Only X left" where X is the number you put into this setting|
|Enable Qty Increments||Yes/ No||If you set this option to "Yes", a field for "Qty Increments" appears to enter the number for the increments. If you enter 5, your customers need to order 5, 10, etc. units of a product.|
|Enable Customer Group Qty Increments||Yes/No||If you set this option to "Yes", "Qty Increments" can be set for each customer group on products.|
|Automatically Return Credit Memo Item to Stock||Yes/No||If set to "No" you will need to check a box within a Credit Memo to return a product to stock. Otherwise it will do this automatically when set to "Yes".|
Updated 4 months ago