Macworld Want to fly a drone, but worried that you’re going to crash it? This 4K dual-camera drone is built for novice flyers, complete with automatic obstacle avoidance, at a special low price through June 9th. This 4K drone has a suite of easy-fly features, starting with the one-button start and stop function. A three-way obstacle avoidance system ensures that you keep your drone safe, away from wires, poles, and other crash hazards. It also has optical flow positioning, which has the drone lock onto a subject and hover, so you can record smoother footage without riding the sticks. The front…