eBay has the DJI Mavic Pro Drone with 4K HD Camera (DJI Certified Refurbished) for $699 with free shipping. Retail price: $999. Fly at up to 40mph (64kmh) or for as long as 27-minutes, true 4K, obstacle avoidance combined with sensor redundancy.
Best Buy has the Netgear 720p Security Camera 4-Pack (White) for $300 with free shipping. List price: $500. Features 1280x720 (720p) video resolution, night vision up to 25 feet, 130° field of view, utomatically records once motion is detected, then sends you e-mail or app notifications, weatherproof construction.