How to update same inventory for multiple listings
Let's say, you have several listings of the same product, but each listing has a different SKU. You want to update the inventory of all your listings through a single SKU in Sumtracker.
In order to do this, you have to create bundles in Sumtracker.
You have 3 listings for Apple Watch Series 3.
The SKUs of these listings is APPLE-WATCH-S3, APPLE-WATCH-S3-1 and APPLE-WATCH-S3-2
You want to control the inventory of all listings through the SKU APPLE-WATCH-S3.
Create bundle: Go to Bundles List > Click on + Add New button (Located on top right of the screen)
Fill in the details as shown in screenshots.