first of all, you can be sure that you can sell the house before the mortgage is repaid. Different from the fact that the mortgage has been paid off, your real estate license is mortgaged in the bank to sell the house, which is one more foreclosure procedure than the real estate license in the hands of individuals. You can choose to redeem the building by guarantee or cash, and then transfer the ownership.

the transaction process can choose independent transaction or intermediary transaction.