Paying taxes is the general evaluation of your house.
You need to see if there are two sets in the seller's name: personal income tax 1%.
The house is less than two years old: business tax is 5.65%
Nature of house land: the land transfer fee is 1%
Property right nature of the house: VAT 3.7%
Are there two sets in the buyer's name: deed tax 1-3%?
Other minor expenses (exploration fee, production fee, stamp duty, etc.). ): 0.3%.
Loan expenses
Appraisal fee of appraisal company
brokerage
It's actually just a room algorithm. You'd better find an intermediary to work out the specific situation for you.