$14.99 – that is current price with coupon for Sonoff ZBMINI L2 Smart Zigbee3.0 Switch (in Banggood). Just check coupons out (with price alert and history). What is the best price?
Latest coupon and price update (UTC):
Model: ZBMINIL2, Dimension: 39.5x32x18.4 mm, Wireless connection: Zigbe 3.0, Casing material: PC VO, Output: 100-240V 50/60Hz 6A Max, Input: 100-240V 50/60Hz / 6A Max
Banggood ($14.99)
Banggood warehouse is located in China. As you can see I didn’t find any active coupon for this product right now… Well, is it a good price anyway? Well, this price is higher than average price ($14.88)
Link: Banggood product page
Price: $14.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BG973a76, BGe966c2
(there’s a little possibility that old coupon will work)
Aliexpress
There’re some similar (or not) items on Aliexpress
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 Sonoff ZBMINI L2 Smart Zigbee3.0 Switch.
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)).