How to make money by bartering together?

There are two main ways for barter companies to make profits. One is to make money by charging membership fees. Members need to pay a certain membership fee to enter the platform. The platform can earn a lot of money by charging membership fees, which is an important way for barter companies to make profits. Another way is to make money through handling fees. When bartering, if both parties succeed in bartering, the barter company will charge a certain fee according to the actual value of the goods, which is also an important way for the barter company to make money.