What should I do if the fund-raising housing real estate company specifies the property because of many contradictions, some pay the property fee, and some never pay the property fee?

Property and real estate are two independent companies. The property should do its job well, serve the public area well, and serve as a bridge between the owner and the building. If it has not been handed in, understand the reason. If it is not because of the property, you can explain the problem to the owner. If not, you can sue.