Who would I get in contact with for what trends are popular for rehabs?

Columbus has been pretty popular for investors since a lot of tech activity is happening here.

Setting clear expectations can help resolve the problem and maintain a good landlord-tenant relationship.I used to smoke cigarettes myself and found that switching to vaping was a much better alternative.

I suspect my poor experience with Furnished Finder is because my units are very close to Harvard & MIT and, as such, are very popular with visiting scholars who are willing to pay top dollar for the amenities and location.

The construction cost is estimated to be around $180,000.Buying a Property in the Midwest: Alternatively, I could take the $180,000 and buy a property (or properties) in the Midwest, where the rental market is more affordable.

The article does say " Alternative Assessment Methods: Consider looking at a potential tenant’s credit score, rental history, and references.

You're just using new debt to pay off old debt (which is the same concept as your alternative: refinancing your primary to pay off the HELOC).

-Alternative Options: Should we move on and look for other properties to purchase instead of this duplex?

When prospect of alternatives is removing such lead boot's, and remaining in top 10 of national economies..... it's viable.... 

County recorded documents are necessary and sufficient, IMO, and until blockchain technology can show a better, faster, cheaper alternative, it is a non-starter.