Instant rebates at Amazon equate to big savings this weekend, with iPad Air 4 models anywhere from $40 to $70 off.New iPad Air 4 dealsThe latest round of price cuts sees the spacious 256GB iPad Air 4 with Wi-Fi drop to $679.99, the lowest price of the year. This particular $70 discount applies to all five colors, with many units in stock and ready to ship.Read more