I have just checked coupons. The lowest price I could get is $29.99 for UGREEN CM561 8K HDMI 2.1 Splitter Switch (in Banggood). Basically copy coupon, view price history or create e-mail price alert. What is the best price?
UGREEN CM561 8K HDMI-Compatible 2.1 Splitter Switch 8K@60Hz 4K@120Hz 2-in-1-out for TV Xiaomi Xbox Series X PS5 HDMI-compatible Monitor HDMI-Compatible Switcher
Latest coupon and price update (UTC):
Banggood ($29.99)
Banggood warehouse is located in China. I have no active coupons for you right now. You probably want to know if this is a good price. It’s a good price, isn’t it? The average is $30.66.
Link: Banggood product page
Price: $29.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Do you need price history chart (for all/most countries) for UGREEN CM561 8K HDMI 2.1 Splitter Switch? 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)).