Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – SJCAM SJ8 Plus Action Camera White Big Box (-3 USD)
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. Well, there is one coupon available right now.
Link: Banggood product page
Coupon (218.29 USD): BGd0b05d
(CouponsFromChina.com tip: paste coupon code in your cart and click Apply 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): d88362, 4a8254, AlibuySJ8Plus2, e2bcea, alibuy626, BgAuMotor, b71c67, 82b94f, BGsjplusyu, BGsjcamiMars, 502C6B, 2880c7, BGAFF10OFF, BGdragonBoat, BGSS10%SW, bGhOnEy10, bgshOOp10, BgoFErTaSchInA10, BGELIG0920, BgcLuBofErtA10, BGCuponation10, 13f142, BGHONEY2110
(there’s a little possibility that old coupon will work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – SJCAM SJ8 Plus Action Camera White Big Box (-3 USD)
Price history and price alert
Price history (for all/most countries) for SJCAM SJ8 Plus Action Camera Black Big Box is here.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).