Transfer fee includes (individual tax (1. %) and deed tax (1%). If you buy a second-hand house, there is business tax, and the difference (5.5%) (that is, the difference between the price he bought at the beginning and the price you buy now) and other transfer fees (land construction area ×3 yuan) are basically these. Everything else is small money.

No, it's not necessary. It's from the agency. It is estimated that all the expenses add up to about 40 thousand at most. You can ask the agent to tell you these fees, and then you can go to the housing management office to ask. Is it not clear?