You would need to evaluate the markets separately.Another variation is open storage.

There's variations of all of those with a lot of the providers.Feel free to message me directly anytime if I can be of any help!

Check out the variation of the “As Is” prices for $30k rebuilt homes for $300k+; probably a good sign that there is upside potential.Regarding the best returns on rent areas, you will likely struggle with cash flow in A class areas like Dublin/Upper Arlington, etc, but have better chance for appreciation.  

I have seen tremendous variations in underwriting guidelines, rates, and requirements with banks that are literally across the street from one another. 

I agree with the other posts that I can not understand your numbers, but for your question on 15 versus 30 year term.This is a variation of should I pay off a loan early?

One is that you could try to get into wholesaling properties, where you find a deal and sell it to another investor for a commission and grow your reserves this way.Another variation of this would be to find a great deal and partner with someone and split the profits.  

When you start running a lot of park deals you see a lot of variations with parks on well water, septics, treatment plants, etc. 

it's good to use to keep it simple from financing and down payment variations,  which can be used to make something look better than it is.  

Going from lender to lender will expose you to different schools of thought and product variations, but still within standardized guidelines.

It's very difficult to qualify the value of a $58,000 investment with a cap rate, because small fluctuations in expenses mean large variations in cap rate.