After a year of research, preparation and saving, this opportunity—featuring four houses within two miles of my current home—appeared ideal.

Are there specific features/styles of homes that perform really well in the area beyond the traditional log cabins?

The house next door is identical in structure and is also a Duplex, however, I have not verified that.

First because reviews don’t transfer the buyer could set up the identical home across the street.

Working with builder now on features, finishes and pricing.  

These neighborhoods are often up-and-coming areas with features like public transportation, entertainment areas, shopping, restaurants, low property taxes, and great schools.

I’m licensed in NJ and the practice exams had identical questions to the actual test.

Most out of state investors are looking for markets that are basically identical to the Detroit market.

Come to find out this guy was a legit guy, but his company identity had been stolen and the "person" I was dealing with was using all of his personal and business info. 

Go to Etsy and search for "rental property tracker," and you will find hundreds of nice spreadsheets to track 10-20 rentals, usually for under $10.Software has extremely helpful features like online payments, marketing syndication (click a button, and your property is advertised on multiple sites), electronic document review/signing, maintenance tracking, and owner reports.