Just check coupons out (with price alert and history). What is the best price?
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 code price check (UTC time):
Ambarella A12S75, with SONY IMX117, 1200mAh 3.85V, 90 Degrees Lens
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($156.93): Parts8
2. ($156.93): BGDAVIS
3. ($160.58): BGFPV-10
coupon code has to be applied in shop’s cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): 54cb92, 502C6B, f62884, BG18SE, BGBCFPV, BGBCBG10, BGBFAFF2019, BGCITYADS2019, 2020CNY, BGMPB2020, bGhOnEy10, bgshOOp10, BGRC902, BGHALLOWEEN, BGTT10, BG11PP12, BGCuponation10
(probably won’t work, but you can try them out)
Other warehouses/versions
This item is available in 2 another warehouse/versions!
1. China – Hawkeye Firefly 8SE Action Camera ($-3)
2. Europe – Hawkeye Firefly 8SE Action Camera [EU] ($-3)
Price history and price alert
Here is price history (for all/most countries) for Hawkeye Firefly 8SE Action Camera 90 Degrees.
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)).