XCY X35 I7-8550U 8/480GB Mini PC (Banggood, Aliexpress: Up to 4.0GHz, 1.8GHz, Core Quad Core, Display core Intel HD Graphics 620, Hard Drives Capacity 120GB/240GB/480GB, Cache 8M, Support Max 16GB Memory, CPU Intel I7-8550U, RAM 8GB (the best price with coupon)).
Basically copy coupon, view price history or create e-mail price alert. 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 and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($289.99): BGFBXY
2. ($390.59): aff7off
3. ($390.59): bGpAnDacHeCk
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 and https://couponsfromchina.com/short/feV
Old coupons (from the oldest to the newest): BGXCY004, BGXCY001, PICODICOM, BGXCYX3544, bgchinafest, BGBFCR29, BGCITYADS2019, BGBFXCY02, BGJPXCY35, BGXY3585, BGXY3586, BG20X35, BGX3886, BGX3888, BGXCY88
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Check out price history chart (for all/most countries) for XCY X35 I7-8550U 8/480GB Mini PC. The lowest price was: $289.99.
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)).