I will say the abatement if you do it right with a good contractor will be pricy since they have to abide by some different regulations on disposing of it. 

My other SFR notes have interest rates determined by the borrower's cash, credit score and income - so market rates or higher.I understand the difference in performing vs non-performing notes and that performing can become non-performing pretty easily. 

It , OF COURSE, also DEPENDS on your location and what you could actually get zoned up to.Are the properties around your building a different zoning classification than yours?

I considered sound proofing the ceiling of the unit below but I’m reading articles saying that it can be very pricey and it won’t make a major difference.

The framework is different though.

After the luxury cabin, I will likely do it again in a different market.  

You could probably just go buy a different investment property and achieve the same returns.

If you had experience, capital and deals then it'd be different. 

Everybody is different, some people like flipping, some like short term rentals, some like long term rentals. 

I'm telling you this so you don't get confused when talking to different lawyers.