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Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
Working voltage: DC12-24V, Type: SH-B2/SH-BC2/SH-C4/SH-D24/SH-I/SH-K/SH-Ku, Power: 65W, (inner positive and outside negative), Power interface: 5.5x 2.5, Work current: >=1.5A, Temperature range: 220-400℃
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($21.59): BGPTL088
2. ($22.86): BGGines
3. ($23.88): BG00c906
apply code in your basket (cart) after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGSH72, BG15PTools, BG15sh721, bGhOnEy10, BGSH721, BGSH722, BGherra, BGTESTYTVSH, BGRSSH72, BGTool15, BgcLuBofErtA10, BGD11SH72, BG28723, BGAFF10OFF, BG1615963, BGRUS15, BGWELDTOOL, BGSH72s, BGLLSKUE28723, BGCuponation10, adda5a, 13f142, BGHONEY2110, BANGGOODSD, BG8a7644, 00c906, CityadsTool, BG7cefd8, BG6d2f05, BGTools8, BG589b2e
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – SH72 65W Solder Iron [EU] ($-3)
Price history and price alert
Do you need price history chart (for all/most countries) for SH72 65W Solder Iron? There we go.
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)).