Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. There is one coupon right now! Check this out.
Link: Banggood product page
Coupon (47.93 USD): BG589b2e
(CouponsFromChina.com tip: apply it in your 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): BG4ee866, BGXPMA066, BG77315f, BGHOM139, BG117ecd, BG8ReviTrage, Cuponation9, 9OFFSUMMER, BG75597c, BG0ac0a4
(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 EraClean XD-TB01 Sterilization Toothbrush Holder? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).