Castles are costly beasts. They are, by and large, kept going by the ingenuity of their owners-- some run B&Bs, others farm, and almost all of them have "real jobs" to pick up the slack. Some of the "slack" was taken up at my place by virtue of the fact that it was just a tad over one mile from the front gates of a movie studio, with the result that we became a very popular location for all sorts of films, television programs, and TV commercials. In a really good year the house would earn enough to almost cover its heating bill...