Can you not supply a house without a real estate license after five years of housing supply?

You can't.

5 years of housing, no real estate license. You can bear the liability for breach of contract in accordance with the requirements of the purchase contract.

There are several ways to bear the liability for breach of contract.

(1) Pay liquidated damages. Liquidated damages refer to a certain amount of money that the parties to a contract agree to pay to the other party when the debtor fails to perform or fails to perform the contractual obligations correctly.

(2) Compensation for damages. Damage compensation refers to the economic compensation given by the breaching party to the other party when one party breaches the contract and causes property losses to the other party.

(3) continue to perform. Continued performance means that the court or arbitration organ makes a judgment requiring actual performance or issues a special performance order to force the debtor to perform the contract debt within a specified time limit. ?