Thanks for reaching out here in the Community, @pross1. I'll help you proceed to set up your liquor inventory.
QuickBooks Online (QBO) uses reorder points to notify you when items are getting low or out of stock. A reorder point is the threshold when you should reorder more of an inventory item. We'll assist you in setting them up to ensure that you always have what your customers desire. You'll want to turn on inventory tracking first. To begin, these are the steps:
Once done, you can then proceed to your add your inventory products. For the steps, you can refer to this article about how to add inventory products in QuickBooks Online.
You'll then edit a product to add a reorder point. Here's how:
For more information on how to get alerts for low or out of stock products, you can refer to this page.
Additionally, I'll be leaving these articles to help you in the future:
Don't hesitate to get back to me if you need further assistance with setting up your inventory in QuickBooks Online (QBO). I'll be more than happy to help you. Keep safe and more power to your business!