Use coupon and get SJCAM C300 for 139.49 USD (from Banggood). Basically copy coupon, view price history or create e-mail price alert. What is best price?
Latest price update (UTC time):
Banggood (139.49 USD)
Banggood warehouse is located in China. Isn’t it too expensive? It’s a good price, isn’t it? The average is 143.37 USD. One coupon is available. Cool!
Link: Banggood product page
Price without coupon: 154.99 USD
Coupon (139.49 USD): BGAMMT03
(CouponsFromChina.com tip: this code has to be applied in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGLMQ15, BG638b58, BGSCM11, BGNEWYEAR8
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Aliexpress
Click here… to search for SJCAM C300 Action Camera 4K 30FPS on Aliexpress
Here are coupons that you can use.
Price history and price alert
Price history (for all/most countries) for SJCAM C300 Action Camera 4K 30FPS is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).