He can use amazon fulfillment to fulfill ebay orders. See https://www.amazon.com/gp/help/customer/display.html/?nodeId=200240460 https://www.amazon.com/gp/help/

He can use amazon fulfillment to fulfill ebay orders. See https://www.amazon.com/gp/help/customer/display.html/?nodeId=200240460 https://www.amazon.com/gp/help/customer/display.html/?nodeId... It's a bit more expensive than selling on Amazon, depending on the item.