Service SKUs are items for which inventory is not maintained. They constitute services for the products sold, such as shipping, installation, packaging, etc. You can create SKUs for services and add them to orders.
Adding Service SKUs
To add a service SKU navigate to Catalog -> Master Catalog -> Services - >Add new service SKU.
Provide the following details -
Click on Save
You can also upload a CSV containing the service SKUs. Click on upload CSV to select a file. You will be prompted to map the CSV columns to Primaseller headers. Click on Save to upload.