3 in 1 Self Navigated Robot Vacuum Cleaner Mop (Banggood, Aliexpress: Color: Black; White, Battery Capacity: 3x AA battery (NOT INCLUDED), Material: ABS + Electronic components, Clean area: 70-90 ㎡, Cord Type: Cordless, Voltage: 3.7V, Working time: All the day (the best price with coupon)).
You can create price alert here, copy coupons and view price history. Do you want to know what the best price is?
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($16.82): Cuponation9
2. ($17.37): BG00c906
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): BGTGF, BGSPM, 13f142, BGRFT, BGTPN, BGR79, BGTARC, BGMSZD, BGDSXZ, BGHOMEAPP, BGHL3R, BGSS10%SW, BGHome15%, BGHOMEAPP13, BGHOMEA13, BGCNHKUYTR, BG10OFFAFF, BGwhielabel, BG10OFFAFF1, BANGGOODSD, 6GSGIT, 00c906, ADMITAD2212, BGCityads10, Terence, Tabby20, 2203ActiesNL, BG1efeb0, BGHAP13
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Do you need price history chart (for all/most countries) for 3 in 1 Self Navigated Robot Vacuum Cleaner Mop? There we go. The lowest price was: $7.99.
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)).