Aliexpress
Click here… to search for MECOOL M8S Plus DVB-T2/T/C TV Box on Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. You can get coupon down below.
Link: Banggood product page
Coupon (44.99 USD): elec
(CouponsFromChina.com tip: you should apply the coupon 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): 502C6B, BGBFAFF2019, BGCITYADS2019
(probably won’t work, but you can try them out)
Price history and price alert
Check out price history chart (for all/most countries) for MECOOL M8S Plus DVB-T2/T/C TV Box.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).