The advice is not to buy any electronic products in Pinduoduo. You may be able to buy a "good quality" daily consumer goods in Pinduoduo, such as paper towels and washing powder (more precisely, the price is really cheap when the quality does not exceed your psychological bottom line). After all, the cost of trial and error is small, and the merchants know that you have to buy it again and again. However, the electronic products with low quality, low price and three platforms are mixed with counterfeit and shoddy products. As long as one trial and error, the basic cost will be greater than buying a regular brand product. How difficult is it to buy products with acceptable quality and performance without trial and error in Pinduoduo?