Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in Hong Kong. There are no coupons available at this moment in Banggood.
Link: Banggood product page
Price: -3 USD
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
Old coupons (from the oldest to the newest): BG9f53f2, BGe161f3, BGU59BL256, BGef96eb, BGf7c356, 2022ACTIESNL, BG3f8dbc, BG413913, BGeb3f7e, CouponsdePC, BGc820f4, BGdd671c, BG17b5b3, BG5f3653, BG0a8e20, BG077870, BG9c9e56, BGJUNEGSG9, BGa46ed1, BGBZBKU59, BGcd3b0a, BG45bd15, BGe9a23b, BGfa8396, BgGoodie9
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Price history (for all/most countries) for Beelink U59 N5095 8/256GB Mini PC is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).