$174.00 – RC ERA C190 1:30 H145 RC Helicopter RTF with 3B (Banggood, Aliexpress: RC ERA C190 1: 30 H145 Scale 2.4G 6CH 6-Axis Gyro Optical Flow Localization Altitude Hold Flybarless RC Helicopter RTF – Yellow with 3 Batteries (the best price with coupon)).
Latest update shows that RC ERA C190 1:30 H145 RC Helicopter RTF with 3B costs $174 (in Banggood). Basically copy coupon, view price history or create e-mail price alert. Best price?
Latest coupon and price update (UTC):
Banggood ($174.00)
Banggood warehouse is located in China. So I have checked for active coupons (all category coupons and old ones), but there was no working coupon in Banggood. Low/high price? Let’s see… Average price for this item is $179.17 and current one is $174, so it’s a good price!
Link: Banggood product page
Price: $174
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BG8cf379, BGRA251, BGb8057f, BGEUC190
(you can check these old coupons out, but these probably won’t work)
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Do you need price history chart (for all/most countries) for RC ERA C190 1:30 H145 RC Helicopter RTF with 3B? There we go. The lowest price was: $165.
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)).