Under Product and Service, please introduce 1. A column for stock in each location 2. Under each item on the Stock Tab, have available items under each location

Thank you for bringing this up, Mobi. At the moment, directly adding columns or detailed per-location stock under each item in the Product and Services list is unavailable.

We know how having this feature would benefit your business by managing inventories across multiple sites directly in QuickBooks. Our product team reviews submitted feedback regularly, ensuring that customer needs are considered in future updates.

To share feedback with our product team, here's what you can do:

1. Log in to your QuickBooks Online account.
2. Go to the Gear icon in the upper right and choose Feedback under Profile.
3. Type in your recommendation in the Share your feedback field.
4. Click Next to submit.

In the mean time, you can utilize class and location tracking features in QuickBooks Online to better organize your inventory-related transactions. By assigning a location or class to sales and purchase transactions for a specific warehouse/store, you can indirectly track stock movements  across different locations through those transactions. . 

While these features, don't track inventory counts directly, but it provides reporting insights, and clarity regarding location specific transactions. For more details about the two process, see this article:
 

• Set up and use location tracking in QuickBooks Online
• Get started with class tracking in QuickBooks Online
  
  Feel free to explore these options and revisit this thread if you have further questions with regard to your inventory. We're always here to help.