I believe when adding a unit you will need to show you have 1.5 off-street parking spaces for each unit.

Apparently the White House is pushing for national rent control.

To me the quadplex would be dual purpose, while you are not living there it serves as a reliable stream of income, once you move there, you could live in 1 of the units while you build your permanent home, and you could also use it for when your family comes over for large gatherings.A 2nd option might be to build an RV park, Unless their are zoning restrictions, you should be able to build one fairly inexpensive, with a septic system and either public water or a well, you can keep your costs to a minimum by doing gravel roads, which are easier to remove later if you don't want them. 

The lot has about 20 parking spaces on it and is being used by a restaurant that shares the driveway with it. 

Yes been issues 70 calls to get policy on a Colorado property with National Forest on 3 sides and treed. 

I serve on the board of CFRI, the local chapter of the national REIA.

Another thing to do is to touch base with some of the mobile home parks and mobile home dealerships in the area.

We have 20 loans with them at this time, most of them parked, 2nd liens.

I've had success partnering up with some of the major national wholesalers.

Also, I have my general contractors license and make my living as a commercial senior construction project manager remodeling multi-family buildings and hotels nationally.