You can create price alert here, copy coupons and view price history. Best price?
Display: 5.15 inch, 1920x 1080 FHD screen, CPU: Snapdragon 821 Quad Core 2.15GHz, GPU: Adreno 530, System: MIUI 8 (base on Android 6.0), RAM + ROM: 3GB RAM + 64GB ROM
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 and price update (UTC):
Price history and price alert
Here is price history (for all/most countries) for Xiaomi Mi5s 3/64GB Golden.
Price records source(s): Gearbest
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)).