3DR DIY Quad w/Pixhawk. I bought two Phantom 3 Pros while building this. I flew it a couple of times briefly. Not a scratch. I have 5 unused batteries, Tarot 2D gimbal for GoPro, GoPro 4 Black (barely used with 2 batteries and ALL the accessory attachments), 5.8 GHz FPV air end, Futaba Rx. All...