How do you end a lease and start a new lease?

Answer - End the old lease first:

From the Unit View, click on the Edit Lease link. Within the lease, select "Fixed Term Lease" and enter or change the "End Date" of the lease. If the end date is not on a month-end, you will have the option of selecting a prorated last payment amount. Make sure that the box is not checked to convert the lease to month-to-month after the end date. If you want to stop tenants from making payments right away, please uncheck the Active box next to the tenant's name. Click Save at the bottom of the lease. This will stop additional rent from being added after the lease end date.

Then add a new lease:

From the Unit View, click on the Add Lease link to add the new lease. Note: From the multi- unit view, you will see a row for both the old lease and the new lease...and the old leave will drop from view once it becomes older than the view you are looking at. From the Unit View, you can use the Rental Agreement dropdown box to see or edit any previous lease that was on that unit.