Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. There is one great coupon!
Link: Banggood product page
Coupon (99.99 USD): BGDQHOME47
(CouponsFromChina.com tip: coupon code has to be applied in shop’s cart 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): KTEA25, 5719ed, 10earth, BGTowT1, BGT1TOW, AFfbG10, BG89CAT, BGBFAFF2019, BGCITYADS2019, BGHOMEG12, bGhOnEy10, BGAFF10OFF, BGTTGWY, BGdragonBoat, BGSS10%SW, BGLKZZVVDC61, BGSE976, bgshOOp10, BGGFHOME41, BGGQHOME36
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Do you need price history chart (for all/most countries) for Xiaomi Youpin TowNew T1 Smart Trash Can? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).