Stem_tech via ebay.com has Yuneec Q500 4K Typhoon Quadcopter Drone RTF, CGO3 Camera on sale for $499.99.
Shipping is free.
Simply the best value 4K system available, an included Android touchscreen controller means faster setup and no need to add your own mobile device to capture impressive 4K video. Typhoon 4K also captures 1080p/120fps slow motion video with a full complement of manual camera settings for total creative control. Perfect ground shots are also available with the included Handheld SteadyGrip™.