Time and cost required for processing: Amazon global store opening fee time: 10-15 working days; Amazon operation subsequent costs Amazon platform fees and commission introduction The US site charges a platform fee of US$39.99 per month + a commission of about 8-25% for each sale (the specific ratio varies depending on the product, Amazon officially recommends that this deduction can be added to the selling price.) Costs involved in Amazon's operation process include product costs, logistics costs, certain promotion costs, etc.