My additional concern is that if I long term a tenant in the top, would the noise of a family scare off my Airbnb tenants below? 

Additionally, and perhaps and even bigger factor, is that all QOZ real estate investments will involve either ground-up development or "substantial improvement". 

Not really your target respondent (not in major resort area), but I don't find it much additional work to list on ABB, along with VRBO/HA.

Additionally, finding the right investor focused RE agent will help you to analyze deals, keep you apprised of off market deals, and allows you to keep a pulse of the market conditions. 

We might like to spend more time there when the kids are done with school in seven years (work is flexible and we can work from pretty much anywhere.) 

If examples are presented keep asking for explanations until you know exactly what was done and why.When my kids were in college and had no idea what they wanted to do after graduation, I suggested they look at the Sunday newspaper Employment Display ads section. 

No kidding. 

I don't know how to properly do the 'quoting' on this site but here's a few notable ones from Liesl:Jim,Thanks for sending the additional context for your question.

Tons of entertaining space in the basement in addition to the 5th bedroom and full bath.

Additionally I am reading and researching 2 hours per day about real estate  rehab costs, plus other related topics.