Do not know enough about the buyer, whether they have enough economic ability, whether they are people who have the right to decide, and whether they are old customers;

B.

I didn't find each other's problems. If your buyers want cheap products, you will try your best to recommend expensive ones, and they will definitely resist.

C.

Did not establish a sense of trust;

D.

There is no value to each other. Which aspect of the product does the other party value most, quality? Or express delivery? Or the price? You have to figure it out first;

E.

The power of shaping product value is insufficient, and customers are afraid to buy products with low cost performance;

F.

Did not get rid of the opponent's resistance in advance.