Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in Europe . There is one coupon available! Pretty cool, huh?
Link: Banggood product page
Coupon (282.59 USD): BGGines
(CouponsFromChina.com tip: apply code in your basket (cart) after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BG83209a, BGTools8
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Here is price history (for all/most countries) for Hantek DSO4102C Multimeter Oscilloscope 100MHz [EU].
Price records source(s): Banggood
Click on image to enlarge.
You can set price alert (for Banggood).