Been like 1 year already so I thought I'd post it again ;)
With PayPal’s Refunded Returns service we’ll refund you the cost of sending items back, up to 8 times per year, to a value of $45 per eligible transaction.
What's not eligible?
Intangible goods, like music or vouchers
Items that the seller excludes from their return policy
Items you haven't paid for in full with your PayPal account
Note: You may return items using the Service if you paid for your online purchase in its entirety using your PayPal account, this is not limited to eBay only.
dup of https://www.ozbargain.com.au/node/188506