Aliexpress
Click here… to search for HGLRC Setor 5 V3 6S Drone on Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. There are no coupons for this product in Banggood.
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): BGSetor5HD, BGSector5HD, BGdragonBoat, bGhOnEy10, bgshOOp10, BGRC902, BgoFErTaSchInA10, BGHALLOWEEN, BGSEP10, BgcLuBofErtA10, BG10RACING, BGAFF10OFF, 7bcdf9, BGMATT7, BGDAVIS, Cholldrons17, Drones6, BANGGOODSD, BGRACING1125, CouponsDE, 00c906, BGGAL8, CouponsdeFPV
(these coupons are old, so probably won’t work)
Price history and price alert
Here is price history (for all/most countries) for HGLRC Setor 5 V3 6S Drone.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).