eBay

Hey can you help I sold an item I had a set shipping price, but was able to give them a discount for shipping on the invoice. They have paid me, but I can not adjust shipping price to the current shipping discount.How can I lower the shipping price o...

Have any one experience not being able to ship USPS Ground when you have selected for you buyer to pay for ground and only USPS Priority pops up at a higher price? How did you solve the problem?