" They are fairly easy to get on—and equally as easy to lose if the tenant doesn’t hold up their end of the bargain by continuing to meet the program requirements. The requirements are usually fairly simply, such as attending periodic meetings or doctor’s appointments, or turning in periodic paperwork, but from our experience, tenants on these programs seem to have a difficult time completing them, resulting in their being dropped from the program and leaving us without a paying tenant. 2.  If the tenant does manage to stay on the program, it won’t last forever. Most if not all of these programs have a time limit and "

― Brandon Turner , The Book on Managing Rental Properties: Find, Screen, and Manage Tenants With Fewer Headaches and Maximum Profits