You can create price alert here, copy coupons and view price history. You probably want to know what is the best price?
Maximum speed: more than 100km/h, Wheelbase: 310mm (12.2 inches), Wheel diameter: 145mm, Brushless motor: 3670 3200KV, waterproof, Brushless ESC: HOBBYWING 120A, waterproof, Battery: 11.1V 4000mAh 30C LiPo
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($333.79): Cuponation9
2. ($344.79): BG00c906
you should apply the coupon in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): J3Speed, clean25, 502C6B, d8f2bb, TTxBG10, 75d037, KevinTalbot, BGss35, bgssaff9, BG12OF35, AFfbG10, BG85QS35, BG125XD, BGJLB01, BGBFAFF2019, BGCITYADS2019, bGpAnDacHeCk, BGVDay10%off, bGhOnEy10, BGAFF10OFF, BGdragonBoat, BGSS10%SW, bgshOOp10, BgoFErTaSchInA10, BgcLuBofErtA10, BGCuponation10, BGDAVIS, BGHONEY2110, BGVehicle10, BGVehicles10, BG10Vehicl, BG10RCVE, ADMITAD2212, BGCityadsRC, Terence, Tabby20, 2203ActiesNL, MVC8SPRING, 8BGwbg2204, tRaDetRaCKeR, 8wEbgaInS5, pROMo8cuPoN, BG8RCToy
(I don’t think these’re gonna work, but you can try ’em out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – JLB Racing J3 SPEED RC Truck [EU] ($-3)
Price history and price alert
Do you need price history chart (for all/most countries) for JLB Racing J3SPEED RC Truck? There we go.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).