Aliexpress
Click here… to search for Aqara S1 Smart WIFI Door Lock on Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. This is new product in my database, so I don’t know if this price is good.
Link: Banggood product page
Coupon (275.99 USD): BGAQA929
Coupon (310.99 USD): BG6d59e7
(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): BGCITYADS2019, aff7off, bGpAnDacHeCk, 2020CNY, BGAQ20, BGAQA15, bGhOnEy10, BGSM15, Email5, BGSMOFF, BGAQAS1L, BGSAMRTH, BGAFF10OFF, BgcLuBofErtA10, BG15SH12, BGSTHO15, BGHONEY2110, BGSHOM15, 13f142, BGSHE15
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Price history and price alert
There is only one database record (it was for 130.99 USD), so you can’t see price history chart.
You can set price alert (for Banggood).