Here's a Black Friday roundup of all the deals I could find:
Drone Nerds – DJI stuff and more!
LensProToGo – up to 25% off rental fees
5DayDeal photography bundle – back for 1 day!
Adorama – RØDE Video mic – $99! Plenty of more deals there too
KitSplit Black Friday Deal – 10% off Gift Cards = I love their local gear rentals (lend out your gear to make $$).