The procedures and fees for opening a cross-border e-commerce store vary from country to country and platform to platform.

The following are the general procedures and fees:

1. Choose a platform: Choose a suitable cross-border e-commerce platform, such as Amazon, eBay, Wish, etc.

2. Register an account: Register an account and fill in relevant information, such as company name, contact information, bank account, etc.

3. Apply for certification: According to the platform requirements, submit relevant information for certification, such as business license, tax registration certificate, brand authorization, etc.

4. Open a store: After completing the certification, you can open a store and upload product information.

5. Payment fees: The platform will charge a certain service fee, including commissions, advertising fees, storage fees, etc.

6. Logistics and distribution: Choose a suitable logistics method, such as express delivery, sea transportation, etc., and pay the corresponding freight.

7. Customs declaration: According to the relevant laws and regulations and requirements of the destination country, make customs declarations and pay customs duties and other fees.

In general, the costs of opening a cross-border e-commerce store include platform service fees, logistics fees, customs fees, etc. The specific costs vary by country and platform.