If you're not sure how to perform these calculation, I'm sure there's many resources on this site and online that can assist with these calculations. 

If you want to take things a step further, focus on one tenant and learn everything you can about their business operations/stock performance, site selection criteria, preferred developer network, lease structure(s), cap rate trends, etc.  

So you have to find a property that is likely not so nice, and buy it for a "AS-IS" price, then make improvements and enjoy the reward.Curb appeal drives rental pricing; If an neighborhood rents for $1,400 normally, and you find a rundown home renting for $950. 9 out of 10 times, its renting cheap because the LL wont improve the property, and likely has non performing tenants in it... so you buy at a cashflow price on the $950 minus repairs, then rehab and rent it for $1,400.

Once you self-direct your 401k you can purchase performing mortgage notes that pay 12% annually (paid 1% per month, with no fees).  

A collection agency, PI, or a company looking to perform due diligence on its customers would have permissible purpose.  

Lots to the story, but it boils down to poor work being performed initially and a project manager that let things slide.

The market and rent appreciation really made the properties sing and perform phenomenally.  

I'm trying to learn whether an exit on a property should be dictated by a time frame (5-7 years), a property's performance, or a combination of the two.  

Do any of the services above need me to be a real estate broker to perform on behalf of another landlord if I charge them a fee to do this?

And if the OP doesn't want to perform what most, frankly, would consider a small act towards developing a relationship... why would the bank want (using the OP's language) to go out on a second date?