The iPad is the 800-pound gorilla of the tablet market, and Apple knows it. It remains one of the best-selling pieces of consumer electronics ever, so trying to find discounts on the latest and greatest models is an exercise in patience. But if you’re likely to find any deals, it’s on Black Friday. At the time of this writing, the iPad comes in six different models. From smallest to largest the iPad Mini (6th gen, 8.3 inches), the iPad (9th gen, 10.2 inches and the last with the Home Button design), the newer iPad (10th gen, 10.9 inches), the iPad Air (5th gen, 10.9 inches...