eBay

how do I handle a complaint that an item they bought was delivered broken

What if I have my parameters set for US only and someone messages me if I ship to Canada of course I don’t what to miss a potential sale but I’m thinking the cost will be more than the calculated shipping to the US What steps can I take

If I have a item for sale and a potential buyer wants to pick it up local but I already have the delivery charge built in how do I go back in and change it to local pickup no delivery charge it won’t let me should I just delete the listing and have b...