eBay

I’ve just sold an item and received payment but then realised I hadn’t charged enough postage. Does anyone know how to claim the additional cost from the buyer who is happy to pay the extra. There doesn’t appear to be an option to send an invoice now...

I'm in the UK and sold an item to someone in The Netherlands. When i try and create a postage label it doesn't give me any services to chose from. The error message states to check the postcode for both addresses. I've tried to amend the buyer's addr...