undeRGRond, I don’t know the nature of your 4 acres but if it is good usable land, you could certainly do a lot towards being self sufficient on it. By that I mean not needing irrigation, having fertile soil etc. The problem is the proximity of a city of 65,000 plus however many more are in the surrounding suburbs. Will your neighborhood be able to isolate itself from the refugees coming out of that city?
Robin, where you live sounds like an excellent place to be, especially with the group that you have.