Abstract: A method and apparatus to create and manage a lease agreement is disclosed. A pre-programmed lease control computer processes information regarding a potential lessee for a lease of a property and carry's out tasks of a lease control intermediary and stores data regarding the potential lessee. A physical manifestation of a service product in the form of a guaranty directed to periodic lease payments paid by an actual lessee to the lessor is produced. The guaranty is determined based on payments from said lessee to said lessor. The guaranty is for a predetermined monetary amount defining a guaranty limit to be paid by the lease control intermediary or a 3rd party insurer to 1) the lessor upon failure of said potential lessee to pay periodic lease payments and/or eviction by the lessor, 2) the lessor upon damages by the lessee to the property, 3) to a party upon injuries to the party while on the property, and/or 4) to the lessee upon damages or loss to the lessee's contents on the property.