You can create price alert here, copy coupons and view price history. You probably want to know what is the best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
VIOLEWORKS Hot Melt Glue Guns Cordless Rechargeable Hot Glue Applicator Home Improvement Craft DIY Tool For Makita18V Battery – Without Battery
Banggood
Banggood warehouse is located in Europe 
. As you can see I didn’t find any active coupon for this product right now… I can’t tell you if this price is good – not enough records in my database, so I won’t judge.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGb48356, BGGines, BG11d31b, BG5c6e66, BGPHOOL8, BG51943, BGa62536, BGHPT15, BG589b2e, BG8FORMULAMX, BGCOUPERTBF8
(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. China – Hot Melt Glue Applicator with 2 Batteries ($71.99)
Price history and price alert
Price history is not available for this item (not enough database records)! The lowest price was $26.39 though.
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)).