You can create price alert here, copy coupons and view price history. What is the best price?
Charging Time: 3Hours, Voltage: 110V – 240V, Material: ABS, Noise: ≤80dB, Model: VC25, Accessories Types: Sweeper, Metal, Life Time (Standard/ High): 35mins / 20mins, Suction: 10000Pa, Dust Cup Capacity: 700ml, Rated Power: 150W
Aliexpress
There’re some similar (or not) items 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. Well, there is one coupon available right now.
Link: Banggood product page
1. ($169.87): BG10OFFAFF1
you should apply the coupon in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGDMVC25, BGAFF7OFF, BGDERVC25, BGHCLE15, BGESDC25, BGCZVC25, BGSPESVC25, BGESCZ25, BGCZES25, 7bcdf9, BGDRC25, bgshOOp10, BGHome15%, BGHU921, BGCZDESVC2, BGHOMEAPP13, BGDEMZVC25, BGHOMEA13, BGCZVC25DR, BGCZDRVC25, BGCZDVC25, BGCDC028, BGCZDREVC25, BGCZESVC25, BGCZESDC25, BG10OFFAFF, BGCZDEVC25, BGwhielabel, BGCZFG25, BGCZREVC25, BGHU0753, pROMo8cuPoN, BG00c906, hoNEYbGdeAlS
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Deerma VC25 Vacuum Cleaner [EU] ($-3)
Price history and price alert
Here is price history (for all/most countries) for Deerma VC25 Vacuum Cleaner.
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)).