$15.99 – Tuya Smart Fingerprint Door Lock Button Cabinet Lock (Banggood, Aliexpress: Tuya Smart Fingerprint Door Lock Button Cabinet Lock Gym Wardrobe Door Password Padlock Electronic Door Lock IP67 Waterproof for Warehouse Dormitory Doors (the best price with coupon)).
ATM you can buy Tuya Smart Fingerprint Door Lock Button Cabinet Lock for $15.99 (in Banggood). Go down and check coupons out. Remember to check price history if it is available. Let’s see what best price is ATM.
Latest price update (UTC time):
Banggood ($15.99)
Banggood warehouse is located in China. Hmmm… There is no active coupon in Banggood at this moment. But wait a sec… Is it a good price? Hmmm, price is higher than average (which is $13.24 right now), so better set price alert down below…
Link: Banggood product page
Price: $15.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/feV
Old coupons (from the oldest to the newest): BG80f8e3, BG572cc0
(I don’t think these’re gonna work, but you can try ’em out anyway)
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Here is price history (for all/most countries) for Tuya Smart Fingerprint Door Lock Button Cabinet Lock. The lowest price was: $12.99.
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)).