The specific process of opening a cross-border e-commerce store will vary depending on the platform, but the general steps are as follows:

1. Choose a suitable cross-border e-commerce platform: When choosing a cross-border e-commerce platform, you need to consider factors such as the target market, product type, and cost. Currently, the more well-known cross-border e-commerce platforms include Amazon, eBay, Wish, and AliExpress.

2. Register an account and submit relevant documents: To register a cross-border e-commerce account, you need to submit corporate or personal identity documents and business licenses. Different platforms may have different qualification requirements, and you can check the relevant requirements before registering.

3. Configure store information: After registration, you need to fill in the store information and relevant policy terms.

4. List products: When listing products, you need to provide detailed product information, including descriptions, pictures, prices, etc. You also need to provide information such as the corresponding language version and currency unit according to the needs of the target market.

5. Set up logistics methods: Setting up appropriate logistics methods can meet customer needs and reduce logistics costs. In general, you can choose international express delivery or logistics company services.

6. Receive orders and ship: When a customer places an order, process the order and ship it within the specified time. At the same time, it is necessary to maintain good customer service and after-sales service.

7. Promote stores and products: Promote stores and products within the platform by optimizing titles, searching keywords, providing promotional activities, etc., and can also be promoted through social media, search engines, etc.

The above is the basic process of opening a cross-border e-commerce store. It should be noted that different platforms will have their own unique regulations and processes, and the specific operation process needs to be handled flexibly according to the platform requirements.

The process and cost of opening a cross-border e-commerce store vary from country to country and platform to platform.

The following is the general process:

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 cost of opening a cross-border e-commerce store includes platform service fees, logistics fees, customs fees, etc., and the specific fees vary from country to country and platform to platform.