$84.99 – RC ERA C186MAX 2.4G 4CH 6-Axis Gyro Optical Flow Localization Altitude Hold Flybarless RC Helicopter RTF – with 2 Batteries Upgrade Remote Control.
According to my DB the lowest price is $84.99 for RC ERA C186MAX RC Helicopter RTF with 2B (in Banggood). Go down and check coupons out. Remember to check price history if it is available. Let’s see what best price is ATM.
Latest price update (UTC time):
Banggood ($84.99)
Banggood warehouse is located in China. There are no coupons for this product in Banggood. Is it cheap? Well, this price is higher than average price ($76.24)
Link: Banggood product page
Price: $84.99
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BG3b9768, BG25ALEDRON
(probably won’t work, but you can try them out)
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Here is price history (for all/most countries) for RC ERA C186MAX RC Helicopter RTF with 2B. The lowest price was: $64.99.
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)).