1: Notarization can be cancelled artificially, and it may become invalid with the change of national policies. Therefore, your contract needs to be rigorous, otherwise it will be wrangling.

2. owing on the loan, you go to help the landlord repay the loan. This loan is essentially the landlord's, so if it is not repaid on time, the landlord's credit history will be affected.

It is recommended not to use this method as much as possible. You must use it, you can't pay the full amount. You have to pay 2-3w before the landlord will cooperate with you.