Second, the building code, IRC/IBC, defines a townhouse as zero lot line (zero setback) homes that are on their own separate parcels and share a common wall.

I understand, just saying flipping in Baltimore is extremely difficult, especially for someone just starting in this current market. 

So this is common thought and why it is a real challenge to get debt secured by the ADU value add at higher than 50% of the addition cost. 

I thought it would be extremely formal guys with briefcases and way over my head. i felt it rapidly grew my network, knowledge basis, and confidence that has propelled me to be successful in acquiring 300+ units over the last 4 years. 

If you're using your real estate license as a means to make the same/more as your W2, then you will face an uphill battle - unless you work extremely hard. 

Its caused him to go in to extreme debt and he just needs to get this handled. 

$400,000 seems extremely high for a rental property.

So make sure your uses of the refinance money conform to business  purposew if you want to write off the interest.This method is commonly used in a 1031 consolidation exchange. 

Settling is common and you often don't do anything with older properties unless the foundation walls are coming in. 

This is very common so don't feel discouraged by maybe having to do some "inner work" or whatever you want to call it.Hope this helps!