Flytec V007 500m RC Boat (Banggood, Aliexpress: right, Motor: Brush, Brand: Flytec V007, Model: V007, backward, Frequency: 2.4G, Charge time: 1.5-2h, Package size: 58*30*22 CM, Weight: 2330g, left, Function: forward, Battery: 2XAA battery(not included) 4.8v 5200mah battery, Using time: 4h, Proportional control: Yes Size: 54*26.5*18.5CM, Speed: Max 4.8km/h Servo: brush, Control distance: 500m (the best price with coupon)).
Basically copy coupon, view price history or create e-mail price alert. What is the 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 price update (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($116.79): BGAFF10OFF
2. ($116.79): bGhOnEy10
3. ($116.79): bgshOOp10
put item in your cart and apply coupon code there 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): BGV007BOAT, BG20OF681, AFfbG10, BGFLYB, BGTEC071, 502C6B, BGBFAFF2019, BGCITYADS2019, BGVDay10%off
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Here is price history (for all/most countries) for Flytec V007 500m RC Boat. The lowest price was: $92.64.
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)).