You can find when the subdivision was platted and when each lot was sold and each home was sold through title work, but I usually just drive trough and I can tell about when a home was built and how the neighborhood was established, but it doesn't equate to any profit on a single property.You may be looking forinteresting but useless data, maybe that is why it's hard to find......

So instead of the mortgage payments being on the top of the equation, they will put the income from the property in the income (bottom) of the equation and it helps you qualify to borrow more money.  

What you did catch me off guard with was your FMRR equation.

If your buyer "might be" this and "might be" that, then take the "might" out of equation.

A purchase agreement is one of the first tasks to be uploaded int WF equator system.

Considering just the property and the financial side of the equation it comes down to the numbers and the area.

@John Lowe   it will simply be NPV equation for a note investorBack in my days when I bought timber land...

I think it's just as simple as your equation.  

A payment of $1K per month on a $350K would equate to a 0.19% interest rate amortized over 30 years.

What it covers doesn't seem to equate to the 10% that you've allotted so you're paying more and getting less.