It really won't make a difference regarding renter demand and if you allow storage the tenants will just fill it up with crap and leave it for you to dispose of after they move out.An additional bonus is that since you're in AZ it is more square footage that does not need to be climate controlled.

—For the past four years, New York City has tried to persuade landlords and real estate brokers to rent apartments to low-income people and homeless people with bonuses and pledges that rent would be guaranteed with government vouchers.The incentives have helped thousands of people move into permanent housing throughout the city.

I am not intending on factoring the appreciation into the equation at all, so when we do sell we'll be able to either take a hit or enjoy the benefits of a 3-6% appreciation as a bonus.

Also, given the narrow demographics of owner finance audience that you are looking for, expect this sale to have a slower and longer process compare to typical bank loan sale and if anything happens faster then it would be a bonus.

Bonus Question:  If you changed the above scenario to the following:A - No ChangeB - Down Pmt = 25% = $25kC - Cash Flow = $3640/yearD - Mtg.

Whenever I got a bonus or had saved some additional monies outside of my typical investing, I put a little more into this fund to try to buy another property.Along the way we were always trying to get smarter about our investing and improving profits. 

The way I see it, if the PM placed the tenant and they are paying late and the PM keeps the fees, the PM and owner's goals are not aligned.This incentivises the PM to place a marginal tenant and collect a "bonus" when they pay late. 

I know some have done bonuses if it sells by XYZ date.

If you can, snag an end unit as those are attractive rentals...another bonus might be one with a garage.

Might even be able to pick up a reenlistment bonus that would help with the house.