Not a particular sale, but a bit of interesting math as to what you get for your Drone money today vs. 2013!
http://www.droneflyers.com/2013-vs-2017-much-camera-drone-tech-get-money/
Not a particular sale, but a bit of interesting math as to what you get for your Drone money today vs. 2013!
http://www.droneflyers.com/2013-vs-2017-much-camera-drone-tech-get-money/