Take this loss into account when calculating product profit pricing. It is impossible to eliminate the situation of returns and refunds. All we can say is to appease customers in time after encountering disputes, and provide solutions in time according to the actual situation, and do a good job of after-sales work. Of course, if you encounter malicious disputes, don't hesitate to submit all the evidence you have prepared to the platform, such as photos or videos taken before delivery, logistics tracking information, etc.