choose products that meet the buyer's requirements, attract the buyer's attention and surprise the buyer.

Being satisfied means that customers can be satisfied at least nine times out of ten when they come to your store. To do this, you don't want to be perfect and collect all the small categories, but you can't live without those commodities you need every day, and you can't be out of stock.

customers see that some goods are attracted, and then decide whether to buy them or not, all of which are influenced by commodity factors. For example, food, the main factors that play a role are production technology, brand, packaging, specifications, taste and so on. Non-food, the main elements are color, size, material, packaging, version and so on.

timely selection of popular goods is the explosive goods that have become popular in a certain period of time. Surprise the buyer