We've been creating maps of fictional places for thousands of years. Umberto Eco has a new book covering some of the greats. This article pulls out a few of them, and does a great job of summarizing the endless appeal of fictional maps.
My view? Personally I wouldn't put myself or my family though that again, but if that's something someone wants to do, let them. Generally I don't have much of an opinion on homesteading beyond my own personal living situation wishes.
The cartography, illustration and tutorials of Jonathan Roberts
This is the Google+ home of my maps and illustration. I've created maps for BMW, Wizards of the Coast, Will Smith's After Earth and I illustrated the official maps of the Lands of Ice and Fire for Game of Thrones.