Aliexpress
Click here… to search for BlitzWolf BW-XRC600 Robot Vacuum Cleaner on Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. Only one coupon available!
Link: Banggood product page
Coupon (179.99 USD): 12blitzw
(CouponsFromChina.com tip: put item in your cart and apply coupon code there after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): 20%BW, vipupgrade8, 1225CAR, 15offBW, 15offBWXRC600, 35e0d8, BGXRC6006, BGss10%bw, BG4c122f, BGBWXRC
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Do you need price history chart (for all/most countries) for BlitzWolf BW-XRC600 Robot Vacuum Cleaner? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).