Basically copy coupon, view price history or create e-mail price alert. Let’s see what best price is ATM.
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 coupon and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($333.79): Cuponation9
2. ($344.79): BG00c906
you should apply the coupon in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): J3Speed, clean25, 502C6B, d8f2bb, TTxBG10, 75d037, KevinTalbot, BGss35, bgssaff9, BG12OF35, AFfbG10, BG85QS35, BG125XD, BGJLB01, BGBFAFF2019, BGCITYADS2019, bGpAnDacHeCk, BGVDay10%off, bGhOnEy10, BGAFF10OFF, BGdragonBoat, BGSS10%SW, bgshOOp10, BgoFErTaSchInA10, BgcLuBofErtA10, BGCuponation10, BGDAVIS, BGHONEY2110, BGVehicle10, BGVehicles10, BG10Vehicl, BG10RCVE, ADMITAD2212, BGCityadsRC, Terence, Tabby20, 2203ActiesNL, MVC8SPRING, 8BGwbg2204, tRaDetRaCKeR, 8wEbgaInS5, pROMo8cuPoN, BG8RCToy
(probably won’t work, but you can try them out)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – JLB Racing J3 SPEED RC Truck [EU] ($-3)
Price history and price alert
Price history (for all/most countries) for JLB Racing J3SPEED RC Truck is here.
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)).