I have just checked coupons. The lowest price I could get is 79.79 USD for SG 1204 EV2 Upgraded 1/12 RC Tank RTR (in Banggood). Just check coupons out (with price alert and history). Do you want to know what the best price is?
Latest coupon code price check (UTC time):
Banggood (79.79 USD)
Banggood warehouse is located in China. You probably want to know if this is a good price. This price is higher than average price (79.59 USD) for this item. One coupon is available. Cool!
Link: Banggood product page
Price without coupon: 83.99 USD
Coupon (79.79 USD): BGRCCar5
(CouponsFromChina.com tip: paste coupon code in your cart and click Apply 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): BG038652, TTBLACK5, BGToys8, JanBGCoupon8, BGMatt2022, BGToySale, BG5RCCar, BGCAPITALOS8, BGCOUPERT8
(these coupons are old, so probably won’t work)
Aliexpress
Here are coupons that you can use.
Price history and price alert
Do you need price history chart (for all/most countries) for SG 1204 EV2 Upgraded 1/12 RC Tank RTR? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).