I take it that it's safer to just assume that any letter from or call from a random number is most likely some kind of rip off?   

Consequently, I am looking into townhomes as an alternative.

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. 

On the other hand, you can produce a similar return (or better) by shifting the money to another market that is safer for landlords.

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).

A little more work, doable, and safer in the long run.

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