It shows people you are serious about the investing, that you have a basic understanding of RE and some fundamentals that go along with it, and that you are legally able to be paid for your services. 

But now I'm wondering if the fundamentals are starting to shift, managing a headache from 3000 miles away would not be fun.

Are you asking fundamentals of business or more how to actually run the STR side (e.g.

Some argue that today's modern market is fundamentally different than the past, and justifies higher CAPE, but I'm still quite concerned. 

What has been fundamental to your success?

There have been nothing fundamentally changed to alter this.  

After reading many books I believe that I know the fundamentals but would love the chance to sit down and pick the mind of a seasoned investor and/or anyone that has ties to the wholesaling business.I believe that my first hurdle to jump through is learning how to evaluate after repair values as well as repair costs.  

They invested in places with strong fundamentals (SoCal, DFW) and rode out all the downturns.

Maybe in the next recession it will be easier, but it is the fundamental issue with building affordable housing.

Nashville, for all of the hype, does have solid fundamentals but like Matt said - there is development everywhere.