You can get MJX 14210 HYPER GO 1/14 Brushless RC Car for 149.45 USD using coupon code (in Banggood). Basically copy coupon, view price history or create e-mail price alert. Let’s see what best price is ATM.
Latest coupon code price check (UTC time):
Banggood (149.45 USD)
Banggood warehouse is located in China. Is it a reasonable price for this item? Maybe there’re no more promotions for this item, because current price is higher than average (which is equal 144.02 USD) There we go – there’re 2 active coupon codes!
Link: Banggood product page
Price without coupon: 158.99 USD
Coupon (149.45 USD): BG2c672b
Coupon (151.04 USD): BGRCCar5
(CouponsFromChina.com tip: 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
Old coupons (from the oldest to the newest): BGMatt2022, BG589b2e, BGAUGUST8, BGCAPITALOS8, BGCOUPERT8, BG5RCCar, BGDBI020
(you can check these old coupons out, but these probably won’t work)
Aliexpress
Here are coupons that you can use.
Price history and price alert
Check out price history chart (for all/most countries) for MJX 14210 HYPER GO 1/14 Brushless RC Car.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).