Basically copy coupon, view price history or create e-mail price alert. What is best price?
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 code price check (UTC time):
Car Battery: 7.2V 2000mAh Nimh battery(included), Channel: 4CH, Wheelbase: 313mm, Brand: RGT, Motor: RC550 17T brushed motor, Frequency: 2.4G, Scale: 1/10, Item No: EX86110, Color: Blue /yellow and gold, ESC: 40A esc, Charging Time: About 6 hours, Max Speed: About, Using Time: About 20 minutes, Ground Clearance: 80mm, Product Weight: About 2600g, Gear Ratio: 56.6: 1-33.3: 1, Material: plastic and electronic components, Car Size: 540*240*240mm, Servo: 15KG torque servo, Battery: 4X AA(not included)
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($345.33): BGCityadsRC
2. ($352.84): BG00c906
coupon code has to be applied in shop’s cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
There were country-specific coupon codes published on Couponsfromchina social channels and price alerts. Coupon price may vary by country, because there’re different VAT rates, shipping cost etc. There is a chance that some latest coupons are still working:
Old coupons (from the oldest to the newest): BGAFF10OFF, BGCuponation10, BGDAVIS, BGHONEY2110, BGVehicle10, BGEX86110, BGVehicles10, BG10Vehicl, BG10RCVE, ADMITAD2212, Terence, Tabby20, BG0c2ad5, BG7c19a3, BG5ffcf3
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – RGT EX86110 RC Car RTR [EU] ($-3)
Price history and price alert
Do you need price history chart (for all/most countries) for RGT EX86110 RC Car RTR? There we go.
Price records source(s): 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)).