You can create price alert here, copy coupons and view price history. What is best price?
Model X10, Storage Media Memory Card, Pixel Range 1080*1920, Color Black, Battery Life 1H, Body Material ABS, Product Size 30*30*23mm
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. One coupon is available. Cool!
Link: Banggood product page
1. ($15.03): BG589b2e
apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGTYPF467, 00c906, BG00c906, ADMITAD2212, 2022ACTIESNL, BGAlerabat1, Terence, Tabby20, 2203ActiesNL, BG1efeb0, 8Couponsde, MVC8SPRING, 8BGwbg2204, TTSUMMER8, Cuponation9
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Here is price history (for all/most countries) for X10 1080P Wifi Hidden IP Camera.
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)).