If you have full trust in the original homeowner and both parties have reached an agreement, you can sign directly at the transaction center. If you want to ensure the safety of the transaction, find a professional intermediary company to sign. There are several points to pay attention to in the second-hand house sales contract:

1. The house buyer must have a comprehensive understanding of the house seller.

1. Check the identity document of the property owner.

2. Is there one owner or several owners on the house title certificate? If there are several owners, do all of them agree that when the property is sold, the property rights of the house* **Someone must agree with them all. Everyone must be present when signing the real estate sales contract. If you are unable to attend due to special circumstances, you must issue a notarized power of attorney and the agent's identity card, and the authorized agent will sign and seal it.

2. Have the necessary understanding of the property that is about to be traded.