To mark products as Not for Sale in Swipe, please follow the below-mentioned steps.
Step 1. Go to Products and Services, and click on Edit for the product that you want to edit.
Step 2. Click on More Details.
Step 3. Click on the Not for Sale toggle to enable it, and click on Update Item to save changes.
Step 4. Click on Save Changes.
Now the product will not appear while creating a sales invoice.