I've been a rental property investor for 25 years.I'm just wondering if you're aware of RE investment alternatives that might better suit your situation. 

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.

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. 

Are there any alternatives to buying my home? 

Always present alternative options Did you work with any real estate professionals (agents, lenders, etc.) that you'd recommend to others?