How to determine whether the cost-effectiveness of electronic products is high?

The key to determining the cost-effectiveness of electronic products lies in the balance between performance, price, brand, and demand. Performance is the core, such as sufficient processor, memory, and storage; The price should be reasonable, not just based on the list price, but also taking into account long-term usage costs; Brand and after-sales can be worry free; Finally, check if it meets your actual usage scenario.