1. Switch to the list view
2. Highlight all the items you wish to mark as exempt
3. Click on Tax
4. Toggle the Tax Status to mark Exempt
5. Click Save
6. From the Profile Click on Settings
7. Click on Locations & Integrations
8. Click on the location you set the item exemptions on
9. Click on Taxes
10. Set sales tax to 0% and click save
11. Click on Publish all to Publish to 3rd Party