You can create price alert here, copy coupons and view price history. What is the best price?
Maximum Seal Width 300mm, Voltage AC 220V / 50Hz, Color White, Size 377x 155x 65MM, Weight 1600g, Power 120W, Single Seal Time 9-12 Seconds, Material ABS, Pumping / Sealing Time ≤30S, Maximum Vacuum -50-55KPA
Aliexpress
I could not find it on Aliexpress. Click here to search by yourself.
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. I found coupon for you. Check this out.
Link: Banggood product page
1. ($43.97): bGhOnEy10
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): DGMLVS1, PICODICOM, bgssaff9, aff7off, BGaDmITAd, bgchinafest, 502C6B, BGBFAFF2019, BGCITYADS2019, BGminleaf, BG322e14, BGHOMEAPP, BGMPB2020
(these coupons are old, so probably won’t work)
Price history and price alert
Here is price history (for all/most countries) for Minleaf ML-VS1 120W Electric Vacuum Sealer.
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)).