Unreliable. The Rampant Snail Cross-border E-Commerce Academy is unreliable. I started doing foreign trade in 2009, and came into contact with Amazon in 2014. After stumbling for so long, I know the taste best. Amazon is a refined operation. Hard costs include: procurement costs, office space, warehousing, auxiliary materials, worker wages, and logistics costs ( It is much more expensive than domestic logistics. When shipping to the United States, the current unit price in October is 32 yuan for 100 kilograms, which is still the price of slow lines. If you send a red order such as UPS, the price is 45 yuan) advertising, Amazon commission (basic It is 15 points) Foreign exchange loss (basically 1 point) There are also evaluations, Amazon activity fees (a flash sale is 150 US dollars), and the European station also has VAT tax (Germany 19%, UK 16%), trademarks, certifications, brands , various hidden costs.