Shopping.com allows certain eBay items to be bought directly on the site via the guest checkout flow. The return policy for such items is listed on the item details page. It states the return window, refund method and who needs to pay for return shipping. Please refer to eBay Return Policy for more details.
You are covered by the eBay Money Back Guarantee if you receive an item that is not as described in the listing.
For all other items, Shopping.com acts purely as an affiliate and consequently the return and refund policies found on the respective merchant websites will apply.