The contract you signed with the landlord guarantees that he won't have to worry about an empty unit for the next 12 months. The ideal time to sign a new lease is about a month before your movein date.Specifically, experts say the best time to sign is 20 to 24 days before moving in. A New York monthtomonth lease agreement is a contract landlords use to rent out residential property for one month at a time. Leases of 14 months can qualify for up to eight weeks free for a limited time! Find 3035 flexible and convenient short-term apartments for rent in Plano. He handed over a letter addressed to the manager: He wanted a sixmonth lease. Find 737 flexible and convenient short-term apartments for rent in Mckinney. 5-6 Months Under 12 Months. Clear Done. Affordability.