One’s Renting a House or Land and His Renting to another Tenant for Higher Price

4. Ali ibn Ibrahim has narrated from his father from Ibn Abi ‘Umayr from Hammad from al-Halabiy who has said the following: “Abu ‘Abd Allah عليه السلام, has said, ‘If a man rents a house for ten dirham and lives in it, but uses only two-thirds and rents the other one-third for ten dirhams, it is not unlawful but he must not rent out for more than what has rented (which is ten dirham) unless he introduces something in it.’”