Lesson: Whenever you are pulling wires, pull more than you need.Lesson: Pull all your wires in a star configuration, from a central point out to each room, rather than daisy-chained from room to room. Wire both your computers and your telephone networks as stars. It makes it much easier to expand or rewire in the future.Lesson: Use centrally located punch-down blocks for computer and telephone networks.Lesson: Don’t go overboard.Lesson: Plan your computer room carefully; you will have to live with its location for a long time.