The disadvantage is that it is easy for large agents to become powerful, which often forces the company to make decisions that are unfavorable to the company. There are obstacles in information commun

The disadvantage is that it is easy for large agents to become powerful, which often forces the company to make decisions that are unfavorable to the company. There are obstacles in information communication, the market response will be slower, and there are many intermediate links, resulting in a high final sales price.