Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (233.67 USD): MVC8SPRING
Coupon (236.21 USD): 2203ActiesNL
(CouponsFromChina.com tip: you should apply the coupon 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): GB-THRemo, TTxBG10, 2019SPEDM, Wholesale20, AFfbG10, affbg10, 502C6B, BGBFAFF2019, BGCITYADS2019, BGMPB2020, bGhOnEy10, BGAFF10OFF, BG1348TY, BGdragonBoat, BGSS10%SW, bgshOOp10, BgoFErTaSchInA10, BgcLuBofErtA10, 7bcdf9, BGCuponation10, BGHONEY2110, BGVehicle10, BGVehicles10, CouponsDE, BG1efeb0
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Here is price history (for all/most countries) for Remo Hobby 1093-ST RC Car Platinum.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).