Why does the intermediary charge so much money?

The essence of intermediary is to provide information services to earn information price difference. If it is an intermediary who works for a company, the general expenses should be paid to the company, and the company will make a commission according to personal performance. The collection form of agency fee is sometimes accepted by both parties, and both parties pay 50% agency fee. Some of them are from the seller. Some can also be decided by tripartite consultation.