If the tenant does not qualify on their own and you don't want the entanglement of a co-signor then move to the next applicant. 

Listings, screenings, showings, applications, leases, managing tenant issues... 

There is potential it could change in the future with the city plan, I could try to get a legal non-conforming letter from the city if its applicable and/or try to rezone it but what if I'm not approved?

I would go a step further and actually call the current offerings and get details - security deposits, who pays utilities, application fees, what's their process for viewing and applying, etc. 

We also are able to fill many of our vacancies before we put the house on the market because of the backlog of applicants.

The listing brokers job is to sell whatever it is the sellers give them whether great, mediocre, or a bad property.Alot of NNN buildings are simply block boxes with gingerbread (exterior application) on the outside.

Purchasing a home FHA can put you on the road to having good credit because they basically require applicants to settle most debt prior to submission.hope this helps....

Do I give him a rental application to fill out?

When I called the 800 number, the rep confirmed they hold their own loans and that the number of loans I already have (6 financed properties) would not be an problem.They do not issue pre-quals, and you must have a purchase agreement before beginning the application process.Has anyone used them?

DOing so may require a license, probably, so again, I'll suggest a broker to work with in the beginning.You also left out loan compliance with current laws, if the SAFE Act applies, make sure the loan is created in compliance with applicable laws....