Basically copy coupon, view price history or create e-mail price alert. You probably want to know what is the best price?
Product material Nylon + electronic components +TPE, 2000mAh, Working temperature 170℃, Running time 50min, Charging time 3 hours, Battery Li-ion, Model ML-GG5, Net weight 183g, Size 135*33*112mm, Input DC 5V, Warm-up time 60s, Battery rated voltage DC 3.6V
Aliexpress
I could not find it on Aliexpress. Click here to search by yourself.
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($26.34): BGherra
2. ($26.34): BGPower15off
3. ($27.89): BGHONEY2110
4. ($29.99): 13f142
apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGOhh168, BGPTOOL, BGWow101, BGML03, BGCz149, BGminf15, BGAFF10OFF, BGCuponation10
(you can check these old coupons out, but these probably won’t work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Minleaf ML-GG5 Electric Hot Glue Gun [EU] ($-3)
Price history and price alert
Check out price history chart (for all/most countries) for Minleaf ML-GG5 Electric Hot Glue Gun.
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)).