I have just checked coupons. The lowest price I could get is $65 for Handheld Portable Electric Arc Welding Machine (in Banggood). Basically copy coupon, view price history or create e-mail price alert. You probably want to know what is the best price?
Latest price update (UTC time):
Current: 15~140A, Item size: 240 * 230 * 80mm / 9.4 * 9.1 * 3.1in, Material: ABS+metal, Welding material: stainless steel / alloy steel, Voltage: 110V±15%/220V±15%, Power cable length: 2M, Power: 3000W, Welding thickness: 2~14mm, Package weight: 2830g / 6.2lb, Plug: US plug/EU plug, Item weight: 1500g / 3.3lb, Package size: 360 * 300 * 115mm / 14.2 * 11.8 * 4.5in, Type of electrode: carbon steel / stainless steel / steel
Banggood ($65.00)
Banggood warehouse is located in China. There is no active coupon in my database right now (for Banggood). Isn’t it too expensive? I have never seen better price than the current one in CouponsFromChina database, so it’s the best!
Link: Banggood product page
Price: $65
This is the best price ever noted in my database!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): Bg8a7644, BG8a7644, CityadsTool, BGGines, BGPTL088, BG6d2f05, BG589b2e, BGSaleFeb8, BGSaleAD, BGET12, BGMARCHSALE, BG20236Tool, BGET10, BGCAPITALOS8, BGCOUPERT8, BG8FORMULAMX, BGBFDAY8, BGNEWYEAR8, BGSPRING8OFF, BGHONEYSP, BGESJY8, BGALL8
(you can check these old coupons out, but these probably won’t work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Handheld Portable Electric Arc Welding Machine [EU] ($-3)
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Check out price history chart (for all/most countries) for Handheld Portable Electric Arc Welding Machine.
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)).