I have recently sold an item for £400 to a buyer in Spain. I posted immediately and have proof of postage. Buyer complained that he had to pay customs duties. He then complained he hadn't received the item. I contacted Ebay UK twice who assured me that the dispute would be found in my favour. Now Ebay Spain have found in his favour and are debiting me £400. What else could I have done? It's put me off using Ebay full stop.