If you look about a bit you will find the blogs of families that have gone full time on the road with good success. One of my favorites is Bumfuzzle | Live Small, Venture Wide
. I met them down in Mexico while they were living on their sail boat. They traded that for a class A RV and now a jeep & travel trailer.
Full time with the kids traveling North, Central and South America.
That may not be the lifestyle for you but it does for some.