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Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. There is one coupon available! Pretty cool, huh?
Link: Banggood product page
Coupon (26.55 USD): Parts8
(CouponsFromChina.com tip: this code has to be applied in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): 25GR, AFfbG10, 0e7f33, FBCOUPON1, bGhOnEy10, bgshOOp10, BGRC902, BgoFErTaSchInA10, BgcLuBofErtA10, BGAFF10OFF, BGCuponation10, BGDAVIS, BGHONEY2110, BGRACING1125
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Check out price history chart (for all/most countries) for Geprc GR2306 2306 2750KV 3-5S RC Brushless Motor.
Price records source(s): Banggood
Click on image to enlarge.
You can set price alert (for Banggood).