eBay

I bought an item which was sent to me with $8 postage due. I contacted the seller and they said its ebays problem not theirs. How can i ask ebay for help? The package was over the weight the seller said it was according to the post office.

the seller sent me a return label which i used, it arrived with him march 14 and he says he initiated a refund. we havent got the refund and now i see a different tracking number is on my item which is a return label we didnt use. when and how will i...