1. Pay attention to the activity information of the e-commerce platform: During the Double Eleven event, the e-commerce platform will release relevant activity information, including which products will be sold at reduced prices and the price reduction range. , which can be obtained by browsing the activity page or consulting customer service.
2. Pay attention to the historical price of goods: By looking at the historical price of goods, you can know whether the goods will be sold at a reduced price during the Double Eleven period, and you can look at the historical price of goods through the price records of price comparison websites or shopping platforms.