Check coupons or create price alert down below. You probably want to know what is the best price?
1x PDB Board, 1x OMNIBUS F4 V6 Flight Controller, 1x Cable Wire, 4x Furling32 mini 45A Blheli_32 Brushless ESC
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($71.99): 28RC
2. ($89.99): bGhOnEy10
3. ($89.99): BGdragonBoat
apply it in your cart 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): F4V6, 502C6B, 15AB, TTxBG10, BGAIRB, 2019SPEDM, BGss9%rc, BGPAYPALSS, BGF4V6, AFfbG10, BGSS10%SW
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Here is price history (for all/most countries) for Airbot OMNIBUS F4 V6 RC Flight Controller.
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)).