Not only the tremendous amount of work, but the highly marketable skillsets of animal husbandry, carpentry, electrical, plumbing, mechanical, and felling trees. Being skilled in any one of these would earn you at least $50/hour, and to do any without knowledge is dangerous. But hey, if you're a retired military or earned an Eagle Scout 45 years ago, you can have a roof over your head in exchange for being the farm's maid of all work. Don't forget the laundry Cinderella.