Hello, dear, because most of our products are heavy cargo, we cannot deliver all products to your home by express delivery in all regions, remote areas, for example, Xinjiang, Tibet, Qinghai, Inner Mongolia, Yunnan and other places can only deliver logistics to their provincial capitals. If you want to transfer to your city, you need a certain amount of arbitariec. This arbitariec is paid when you pick up the goods, for specific products, specific regions, specific situations and specific analysis, please consult our customer service for details. If you can only send logistics to customers, we will contact you before shipment. Dumbbell error is 1-2kg, please contact Customer Service for specific questions.