You can only watch so much caveman TV. That is, if you are a full-timer, sitting in front of a campfire and poking at the half-burned logs eventually becomes unsatisfying. This is when video entertainment becomes kind of important. If you move around a lot, you will find yourself in places that have no over-the-air broadcasting, bad cell service, and too many obstacles to receive Dish satellite signals. There are several ways to improve signal strength with boosters, but if the signal is really...