Just check coupons out (with price alert and history). What is best price?
1x 8K HDMI Switch, 1x Type C cable, 1x User Manual
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 and price update (UTC):
Banggood
Banggood warehouse is located in China. So I have checked for active coupons (all category coupons and old ones), but there was no working coupon in Banggood.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGadd854, BGad283e, BGde2f67, BG589b2e, BG8FORMULAMX
(probably won’t work, but you can try them out)
Price history and price alert
Do you need price history chart (for all/most countries) for UGREEN HDMI Splitter 8K 60Hz 4K 120Hz? There we go.
Price records source(s): 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)).