This change is made in your eBay seller account in eBay

  1. Log into your eBay seller account.
  2. Select “My eBay” from the top-right.
  3. Hover over the “Account” tab and select “Business Policies” or click
  4. Locate the postage policy you wish to modify and click the “Edit” link.

  5. Set the “Each additional” value to 0.00 and then click the “Save button.