You can live at one address for three years while roommates change every few months. Tian Fu in the Home Palace may invite questions about maintaining a stable place, but it does not control another person's lease decision.
First identify who holds the lease, chooses new roommates, and pays during a vacancy. Read Home for the space you maintain, Friends for shared rules, Wealth for the empty room cost, and Travel if moving is an option. Hua Quan in a relationship palace can prompt a decision rights question; Hua Ji can prompt clearer written terms. Set expectations for rent, quiet hours, shared areas, and notice periods. The chart organizes the discussion; the lease and household agreement make it workable.