You can create price alert here, copy coupons and view price history. You probably want to know what is the best price?
Volume 1000Ml, Jet Nozzle Size 1.5/1.8/2.2mm, Brand Mensela, Motor 350W, Battery 20V 2.0Ah, Model PT-L2, No-Load Speed 0-42000Rpm, Charger output 23.0V 1.5A, Charger Input 100-240V 50/60z 1.0A, Dendsity EN DIN≤120S, Flow rate 0-670ML/min
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.
Link: Banggood product page
1. ($80.32): BGherra
2. ($80.32): BG123FBR
apply code in your basket (cart) after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGPTL2, BGMLPTL2, BG7907, BG269230, BG6fde54, BGY57907, BGTHPT2, BG4fb472, BG9d0c6f, BGfa873d, BG086a0b, BG23540e, BG20c78f, BG123F2021, BG71c534, BGPTL088, BGGines, BGc1d712, BG0ff1a0
(these coupons are old, so probably won’t work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Mensela PT-L2 350W 1000ml Paint Sprayer [EU] ($-3)
Price history and price alert
Do you need price history chart (for all/most countries) for Mensela PT-L2 350W 1000ml Paint Sprayer? 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)).