eBay

I had a return with a customer and I refunded them through Paypal and not through EBAY. It still shows I need to refund the buyer on Ebay. What can I do to make everything ok? I don't want the buyer to get refunded twice obviously but I don't want to...

I recently had a buyer say an item didn't work after they received it.. I understand something can happen after its shipped and the item gets broke etc.. The buyer messages me and says I'm an irresponsible seller and I sell junk. Then leaves the same...