Double Eleven limited time spike is a popular activity launched by e-commerce platform. Generally, the quantity is very small and the price is very cheap. The limited time to start buying will be sold out in a few seconds. For example, a commodity with the original price of 1000 yuan or even 10000 yuan is sold at the price of 1 yuan, but the quantity is only one, and it is sold at a certain time on a certain day, which leads many people to grab this commodity. Getting it requires many factors, such as computer configuration, network speed and luck.

A major feature of Taobao Double Eleven is that you can pay a deposit in advance, and 1 1+0 will pay the final payment on the same day. Moreover, some of the goods pre-sold in Double Eleven are in the form of ladder prices, that is to say, the prices of such goods vary according to the number of people ordering, and the more people ordering, the lower the price. In the face of big sales promotion, the first step for consumers to stabilize their position is to choose goods according to their own needs. First, make a shopping list, prioritize, budget well, and limit the purchase quantity of "post-stimulating demand" goods.