Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Racerstar StarF4S 30A Blheli_S Dshot 4 in 1 RC ESC [EU/UK] (-3 USD)
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (87.90 USD): Cuponation9
Coupon (88.86 USD): DealBGimpact
Coupon (88.86 USD): BGRCParts8
(CouponsFromChina.com tip: apply code in your basket (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): 10StarF4, 502C6B, TTxBG10, AFfbG10, BGCITYADS2019, BGGEPPart, BG20RC, BGVDay10%off, bGhOnEy10, BGdragonBoat, BgoFErTaSchInA10, BgcLuBofErtA10, BG11Racer, 7d18f7, BGAFF10OFF, BGCuponation10, 13f142, BGDAVIS, BGHONEY2110, Parts8, BG1efeb0, MVC8SPRING, 8BGwbg2204
(these coupons are old, so probably won’t work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Racerstar StarF4S 30A Blheli_S Dshot 4 in 1 RC ESC [EU/UK] (-3 USD)
Price history and price alert
Price history (for all/most countries) for Racerstar StarF4S 30A Blheli_S Dshot 4 in 1 RC ESC is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).