1. Go here - https://www.bizpolicy.ebay.com/businesspolicy/manage and create a return policy that allows returns, with "Return shipping paid by" set to "Free for buyer, you pay".
2. Go to your active listings. Click the checkbox next to "Actions" to select all your listings. Then, click the Edit button and choose "Edit all xxx listings".
3. In the bulk edit screen, click the top left checkbox to choose all your listings.
4. Click the "Bulk Edit" drop down and scroll down to pick "Return policy".
5. Under Return policy, choose "Change to" and then select the policy you created. Click "Save", then click "Apply".
6. Finally, click "Submit all (xxx)".
