Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. I don’t think there is an active coupon right now – at least in my database.
Link: Banggood product page
Price: -3 USD
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BG8New, AFfbG10, 502C6B, BGBFAFF2019, BGBFCR25, BGCinestyle4K, BGCITYADS2019, BGGEPDrone, Wholesale20, BGVDay10%off, BGAFF10OFF, bGhOnEy10, BGdragonBoat, BGSS10%SW, bgshOOp10, BgoFErTaSchInA10, BgcLuBofErtA10, BG10RACING, BGMATT7, BGGEP30, BGDAVIS, Drones6, BANGGOODSD, CouponsDE, 00c906, BGGAL8, BGJON8
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Check out price history chart (for all/most countries) for Geprc CineStyle 4K 144mm Drone BNF.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).