When I was updating this page the price was $14.24 for ANENG M109 Digital Multimeter (in Banggood). You can create price alert here, copy coupons and view price history. What is best price?
ANENG M109 Digital Multimeter 4000 count AC/DC Voice Broadcast Electrical Instruments Tester Auto Multimetro Profesional Meter – Red
Latest coupon and price update (UTC):
Banggood ($14.24)
Banggood warehouse is located in China. I don’t think there is an active coupon right now – at least in my database. I think you want to know if the price is good. From what I can see this price is higher than average price ($14.12).
Link: Banggood product page
Price: $14.24
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
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
Do you need price history chart (for all/most countries) for ANENG M109 Digital Multimeter? There we go.
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)).