Yes, inventory is only available on the Plus subscription. This feature
offers basic quantity-on-hand tracking and reporting features.
Here's how to turn on:
the Gear icon on the upper right.
Account and Settings.
Sales on the left menu.
the Product and services section, click the pencil icon on
a check mark beside Show Product/Service column on sales forms, Track
quantity and price/rate and Track stock quantity on hand.
Next, add products and services in QuickBooks Online (QBO).
the Gear icon.
Product and Services.
the Add a product or service tab.
an inventory type.
in the necessary information.
Save and close.
You might also want to check this article for additional information: How to create and use a product and services list.
Let me know if you have any other questions. I'll be right here to