10) How often have you authorized a price reduction or incentive?

Having a lease from someone that has no authority to lease the unit does make them a tenant.  

Battery Park City Exchange (New York City): The city of New York engaged in a land swap with the Battery Park City Authority, allowing for the creation of a new public school and affordable housing units in exchange for a parcel of land that was then developed into a high-value commercial property. 5.

To just make money is not enough.Michael Gerber, author of the E-Myth  said it best in an interview.  

As a PM, I'm authorized to make emergency repairs without owner permission.

In our area, the housing authority does annual inspections to (mostly making sure the landlord is keeping up the units) review the tenant and the landlord. 

Landlords should not be listed as an "Additional Insured" as that implies they have insurable interest (they don't) and have authority to file claims or receive coverage (such as in a lawsuit) from the renters insurance.  

I'd definitely recommend that first (Chad Carson is the author).

I would let the tenant know that he is not authorized to live there.

The rules and payment standards vary significantly from one area to another, so familiarizing yourself with the local housing authority's procedures is key.