Currently, there is no charge for ordinary Taobao market transactions (B2C malls may charge according to the transaction). The current Taobao charges are:

Yahoo Express: Charged by click-through rate, you set the amount for each click (the higher the amount, the higher the ranking), for the same IP address, multiple clicks within 24 hours will only be counted as one click fee.

Taobao promotion: The seller asks others to promote in the form of commission, the commission is set by the seller himself, and after the transaction, Taobao will automatically deduct the commission from the seller and transfer it to the person who helped promote