If a tenant won't spend $10-$15 a month to protect their assets and shield both you and them from liability, why would I ever want this person as a tenant? 

@Jonathan M. as others have already noted, your cash flow estimates are missing a lot of estimates that should be included in the cash flow. 

I would rather give such person a note and a mortgage to borrow money.

Property Manager said Military person as a tenant is exempt from penalization by law.

@Eli M. as long as it's a reputably company it's fine...just do a little research.

And not even my biggest success in making all my properties earn from the nicest cap rates in the whole area (downside is constantly having to deal with my friends/realtors trying to get me to sell my properties due to their amazing maintenance and huge cap rates, lol), and that was only, BUT ONLY  through always putting my head down and asking advice from people, even with much less experience than me, like I mentioned earlier, the best way to success is to learn from EVERY PERSON as if they are the smartest, you can always learn something new.so again, I was not talking about MY experience,  all I was saying was, that if you want to give advice then go ahead with whatever you think, but if you just wanna sound professional by poking fun, then that ok, I love that too, but 'know your stuff before you do that"

This requires plenty of due diligence on the person as well as the project.  

Just give the person a receipt when they pay you so there’s no dispute later about how much was actually paid and you’re good. 

You will want to find your property management company/person, a good contractor/handyman, and a local Realtor who can help you find tenants or sell your property if needed.

. $40/person a quarter.