Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – MUSTOOL MT883 80W Soldering Iron (-3 USD)
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in Europe 
. I don’t want to misguide you about the price. I don’t know if it’s good, because I don’t have enough records in my database…
Link: Banggood product page
Coupon (14.39 USD): BGGines
Coupon (14.39 USD): BGTools8
Coupon (15.03 USD): BG00c906
(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): BGMT883, AFfbG10, BGSPMT883, BGVDay10%off, BG15PTools, BGMPB2020, BGAFF10OFF, 933434, bGhOnEy10, BGMT833, BGherra, BGTool15, BgoFErTaSchInA10, BGELIG0920, BgcLuBofErtA10, 13f142, BGRUS15, BGWELDTOOL, BGCuponation10, BGHONEY2110, BG83550d, BG8a7644, 00c906, CityadsTool, BGPTL088, BG5022a2, BGMUSTOOL05, BGMUSTOOL18, BGHID18
(you can check these old coupons out, but these probably won’t work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – MUSTOOL MT883 80W Soldering Iron (-3 USD)
Price history and price alert
It doesn’t make sense to generate price history chart, because there is one price record which is: 9.99 USD.
You can set price alert (for Banggood).