No need to be an intern.  

That's usually where people get in trouble, the costs that were forgot/missed/didn't know about.So you create a spreadsheet for your own internal use, and then call the folks who know these costs cold and begin you information and cost gathering. 

You can start by reading the IBC (International Building Code), ASCE 7 (Minimum Design Loads for Buildings and Other Structures), ACI 318 and 530, AISC, and NDS.

Home Depot now sells Smoke Detectors with 10 year internal batteries that can't be changed.  

I'm unsure if I should investigate out-of-state and international buyers to apply and test this business model.

The Internal Revenue Service has provided temporary relief from certain requirements of the Internal Revenue Code to allow owners and operators of low-income housing projects located anywhere in the United States and its possessions to provide temporary emergency housing to individuals who are displaced by a major disaster from their principal residences, regardless of income.https://www.irs.gov/newsroom/low-income-housing-un...

This house was clearly meant to be a duplex since there are separate entrances and no internal stairs - you can only go from one unit to the other by going outside. 

Seeking important legal or tax advice is the job of a local professional or the Internal Revenue Service agents.Many offer free or low cost consultations for first time customers.That is far safer than the internet.Try contacting a local investment club and you will find professionals at their meetings.

I'm interested in learning the art/science of wholesaling and am searching for a local wholesaling guru (and seasoned real estate professional) who's looking to take on a protege, student, or 'intern'.    

Have owned properties in both areas.Lehigh Valley for the most bang for your buck is to stay along the major thru ways (Route 78, 22 etc)Otherwise a lot of the internal areas of the ABE area has some turnover and government housing.