When I was updating this page the price was $10.87 for Flysky 2.4G 6CH FS-iA6B RC Receiver (in Banggood). You can create price alert here, copy coupons and view price history. Best price?
Latest coupon code price check (UTC time):
Frequency Range: 2.4055–2.475GHZ, Band Width Number: 140, Transmitting Power: ≤ 20dBm, RF Receiver Sensitivity: -105dbm
Banggood ($10.87)
Banggood warehouse is located in China. As you can see I didn’t find any active coupon for this product right now… Is it cheap? Pretty good price – average ($11.23) is higher than current one!
Link: Banggood product page
Price: $10.87
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): e2bcea, 502C6B, TTxBG10, aff7off, Parts8, bgssaff9, BGaDmITAd, bgchinafest, BGBFAFF2019, BGCITYADS2019, bGpAnDacHeCk, 2020CNY, BGVDay10%off, BGFS12, bGhOnEy10, BGTT10, BGflysky11, 13f142, BGAFF7OFF, BGIA6BNE, BGIA6BN, BGRCRR9, BGCuponation10, BGIA6BUS, BGDAVIS, BGGAL8, BGRCParts8, 8BGwbg2204, tRaDetRaCKeR, 8wEbgaInS5, BG8RCToy, BGToys1, BGRCT10, BGJUNEGSG9, BGRADIORU, BGToys8, BGMatt2022, BGc250a4, BG589b2e
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – FlySky FS-iA6B Receiver ($10.87)
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
Here is price history (for all/most countries) for Flysky 2.4G 6CH FS-iA6B RC Receiver.
Price records source(s): Gearbest, 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)).