I am monitoring price for C127AI 2.4G and it is for 99.99 USD now (in Banggood). You can create price alert here, copy coupons and view price history. What is the best price?
Latest coupon code price check (UTC time):
Banggood (99.99 USD)
Banggood warehouse is located in China. There are no coupons available at this moment in Banggood. Is it a low price? Let’s see… Average price for this item is 100.99 USD and current one is 99.99 USD, so it’s a good price!
Link: Banggood product page
Price: 99.99 USD
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGC127AI, BGMatt2022, BG589b2e, BGAUGUST8, BGC127AII, BGCAPITALOS8
(probably won’t work, but you can try them out)
Aliexpress
Here are coupons that you can use.
Price history and price alert
Check out price history chart (for all/most countries) for RC ERA C127AI 2.4G Brushless RC Helicopter RTF with 2 Batteries.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).