Then, in order to accumulate a certain amount of sales in the early stage of the product, merchants either spend money on advertising or promote sales at low prices, so that the products can be sold better. Nowadays, the advertising cost in JD.COM is very expensive, and it may cost tens of dollars to get a single order, so the merchants will consider low-cost drainage, for example, if you buy it on September 9 and return it to you on September 89, then you may buy it because the product is very cheap. Because you think that with the investment of 0. 1 yuan, if there is a real quality problem and the risk is small, you can buy a product without spending money, and everyone will be more willing to buy it, which will bring a lot of real order records to the merchants.
For merchants, it is not an advertisement of tens of dollars, but there must be an order product. It is better to spend 9.89 yuan to bring a real transaction, which will be better than the effect, and the merchants are willing.