DJI Official website has already leaked the upcoming Black Friday & Cyber Monday deals 2017. According to DJI, the Black Friday & Cyber Monday sale will start on November 20th, and end on November 28th. You can save up to $150 off on DJI Mavic Pro, DJI Spark and DJI Phantom 4 drones.
There are already pre Black Friday deals for DJI Mavic Pro and DJI Spark, unfortunately, these deals are now expired: