Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in Europe .
Link: Banggood product page
Coupon (12.99 USD): BG2b487e
Coupon (16.53 USD): BG589b2e
(CouponsFromChina.com tip: just apply this code in your 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): BGAFF10OFF, BGCuponation10, 13f142, BGHONEY2110, BANGGOODSD, BG8a7644, 00c906, BGGines, BGPTL088, BG6d2f05, BGTools8, BGHTT15
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Price history and price alert
Price history (for all/most countries) for Handskit 8W Soldering Iron 5V [EU] is here.
Price records source(s): Banggood
Click on image to enlarge.
You can set price alert (for Banggood).