AliExpress is a cross-border e-commerce platform under Alibaba. The costs of opening a store are divided into the following aspects:

1. Platform service fee: AliExpress platform provides sellers with a series of services such as store building, product listing, transaction management, etc., and charges corresponding service fees according to different service levels.

2. Platform advertising fee: AliExpress provides some advertising services. Sellers can choose to place advertisements to increase product exposure and sales, and need to pay corresponding advertising fees.

3. Warehousing and logistics costs: Sellers can choose to use AliExpress's warehousing and logistics services. According to factors such as the weight and volume of the goods, they need to pay corresponding warehousing and logistics fees.

4. Marketing and promotion costs: Sellers can carry out some marketing and promotion activities, such as discount promotions, gift activities, etc., and need to pay corresponding fees according to the specific circumstances of the activities. It should be noted that the specific fee standards of AliExpress will be adjusted according to factors such as the seller's store level and sales. You can consult AliExpress customer service to understand the detailed fees according to your specific situation.