Precautions for the delivery of second-hand housing property in rough houses?

It should be noted that property delivery

Check all arrears before transfer; Need to verify the original owner's payment for property, heating and other units.

Keep a property delivery deposit that can at least pay the arrears. If the original owner is unwilling to keep the deposit, the broker must deliver the property in advance, and the original owner will settle the arrears. The fee settlement must cover the transfer of the house or the time agreed by both parties.