Roberts Digital via eBay offers the DJI Phantom 3 4K Quadcopter with 4K Camera, model no. CP.PT.000181, for $779 with free shipping. That's the lowest total price we could find by $46, although we saw it for $25 less in March. (For further comparison, most retailers charge $999 or more.) This quadcopter features a flight time of 23 minutes per charge, 4K video recording, 12-megapixel camera, and 3-axis gimbal. Deal ends May 9.