To add snacks to the inventory, go to Settings > Shop settings > Inventory management and then click the Snacks category. 

You may add a sub-category that will organize your Snacks inventory by clicking "+ Add sub category" button on the right. To begin adding a new snack/product, click "+ Add Item" button.

On the pop-out window, enter the details of the product and click "Add" button to complete adding the item to the inventory.

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