He's very concerned the state could take it away and because this land was his parent's land, now his, and he wants it to become ours and later our son's, he's very concerned modern laws will stop this. 

The house is definitely on the older side, built circa 1930, but walking through the property I saw a ton of potential (huge back porch, front porch, large semi-modern kitchens, beautiful hardwood floors trapped under dingy carpets, etc.).

The primary requirement is at least one of the owners is required to be an active pilot.The the FAA Modernization and Reform Act of 2012 (https://www.faa.gov/airports/airport_compliance/re...) resulted in the laws being setup for these types of communities called "Through the fence". 

Who are the major employers and do they have a diverse, modern economy?

I want to thank the collective wisdom of bigger pockets community that enabled me to grow from 13 doors to 75 doors in 2 years while also holding a full time job in technology (I own and self manage these properties with a 50% partner).

Nearly every new apartment building and commercial space has a flat roof and flat roof are very popular in "modern" architecture.

Other companies, that are looking to relocate to the U.S. will know that Amazon has spent a lot of money and looked from every angle at the hundred of cities that made proposals.So, to be named in the top 20, even if Amazon chooses somewhere else, shows that those cities have a ton of things to offer and will likely draw other companies to take a closer look at them for potential location.http://money.cnn.com/2018/05/17/technology/amazon-hq2-cities/index.html

You need to pay insurance, technology(key) , association, state and national association on top.

It was an outlier in my investing strategy and no longer fit my profile.The goal was to make it as neutral as possible while using a modern color scheme.New floorPaint - Walls, Shower, counter top, fire place.New bathroom Updated the master bath New appliances It listed it and sold it on MLS in 5 days with multiple offer over asking.

I'd think it would be better to have a large master in the basement, with a modern and stylish bathroon, than to just have little bedrooms upstairs.The only thing I would be certain of would be that the damp was 100% controlled.