Aliexpress
Click here… to search for HGLRC DinoShot 35A 3-6S ESC on Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. I am tired of searching coupons, but I found one for you…
Link: Banggood product page
Coupon (30.37 USD): BGAFF10OFF
(CouponsFromChina.com tip: put item in your cart and apply coupon code there 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): BGHD35, TTxBG10, BGDS35A, AFfbG10, BGCITYADS2019, BGGEPPart, BGVDay10%off, BGCLZY, BGMPB2020, bGhOnEy10, BGdragonBoat, BGSS10%SW, bgshOOp10, BGRC902, BgoFErTaSchInA10, BgcLuBofErtA10
(these coupons are old, so probably won’t work)
Price history and price alert
Here is price history (for all/most countries) for HGLRC DinoShot 35A 3-6S ESC.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).