Aliexpress
Click here… to search for Flipsky 75100 With Aluminum PCB on Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. We have found one coupon for this product!
Link: Banggood product page
Coupon (119.99 USD): BGec2df4
(CouponsFromChina.com tip: apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Old coupons (from the oldest to the newest): BGd5dca0, BGMatt2022, BGc5cf50, BGCAPITALOS8, BGSPRING8OFF
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Here is price history (for all/most countries) for Flipsky 75100 With Aluminum PCB.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).