1. That guy over there shivering in the cold? Screw 'em!
2. The use of a pot-bellied stove - a rather archaic piece of technology for the wealthy Rich family - suggests this is "rustic" play-acting, like the part of Versailles where Marie Antoinette and her friend pretended to be shepherdesses. If it is working, it appears to be venting poisonous soke.
3. A strong box, just in case he gets too far away from the visible manifestations of wealth and feels a sudden, horrible insecurity
4. Most ice-fishing cabins in Minnesota today have all this, and more. Where's the satellite dish?