I am monitoring price for RC Boat and it is for 53.54 USD now (in Banggood). Just check coupons out (with price alert and history). You probably want to know what is the best price?
Latest coupon and price update (UTC):
Banggood (53.54 USD)
Banggood warehouse is located in China. What about the price? Hmmm, price is higher than average (which is 52.83 USD right now), so better set price alert down below… I found 3 active coupon codes, cool.
Link: Banggood product page
Price without coupon: 62.99 USD
Coupon (53.54 USD): BGb99f7e
Coupon (55.43 USD): BG2e2a60
Coupon (59.84 USD): BGRCCar5
(CouponsFromChina.com tip: apply it in your 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): BGSCHOOL8OFF, BG5RCCar
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Aliexpress
Click here… to search for 4DRC S3 RC Boat RTR with 2 Batteries on Aliexpress
Here are coupons that you can use.
Price history and price alert
Price history (for all/most countries) for 4DRC S3 RC Boat RTR with 2 Batteries is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).