Beelink SEi8 Intel Lake i5-8279U 8GB DDR4 RAM 256GB NVME SSD Mini PC bluetoth 5.0 Wifi6 1000M LAN Type-C HD 4K Display Mini Computer Desktop PC – EU Plug.
Just check coupons out (with price alert and history). What is best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in Hong Kong. I found coupon for you. Check this out.
Link: Banggood product page
1. ($229.99): BGa80bee
put item in your cart and apply coupon code there after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGc9577a, BGf7dd8e, BG54073a, BGa59382, BG63ddf0, BG6849d3, BG8efceb, BGdaee69, BGAUGUST8, BGa0dcc9, BGCAPITALOS8, BG29f140
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Check out price history chart (for all/most countries) for Beelink SEi8 i5-8279U 8/256GB Mini PC. The lowest price was: $229.99.
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)).