Basically copy coupon, view price history or create e-mail price alert. What is best price?
Power: 40W, Voltage: 100-240V AC, Plug: EU, Noise: ≤ 64dB, Sweep, Water Tank Capacity: 100ml, Dust Box Capacity: 380ml, Model: BW-VC3, Function: Suction, Glass, Material: ABS, Vacuum, Cleaner Types: Vacuum Cleaner, Suction: 1600Pa
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 Hong Kong. You can get coupon down below.
Link: Banggood product page
1. ($182.69): BGHOMEA13
apply code in your basket (cart) after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGBWVC3, BGAFF7OFF, BGHCLE15, BGHKVC3, BGHKBVC3, bgshOOp10, BGBWHVC3, BGHOMEAPP12, BGHOMEAPP13, BGCZBWVC3, BGCZVC3, BGCZRBWVC3, BGCZWVC3, BGHKBWVC3A, BGHU0138, BGHKBWVC3R, BGCZRWVC3, BGBWHKVC3, BGHKBFVC3, BGCZBFBW3, BGCZRVC3, BGALIBUYWC3, BGCZFDCV3, BGCZBWVCDP3, BGCNNY72, BGCZBWVCG3, 10%ForBGBW, BGwhielabel, BGCZBWC3, 7bcdf9, BGCZPURVC3, BG10OFFAFF1, BGCZDVC3
(there’s a little possibility that old coupon will work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – BlitzWolf BW-VC3 Robot Vacuum Cleaner [EU] ($-3)
Price history and price alert
Here is price history (for all/most countries) for BlitzWolf BW-VC3 Robot 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)).