Basically copy coupon, view price history or create e-mail price alert. You probably want to know what is the best price?
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):
Europe warehouse, Display: 6.44 inch, 1920x 1080 Pixel IPS Screen, CPU: Snapdragon 625 Octa Core 2.0GHz, GPU: Adreno 506 650MHz, System: Android 7.0, RAM + ROM: 4GB RAM + 64GB ROM, Camera: 5.0MP front camera + 12.0MP back camera
Price history and price alert
Here is price history (for all/most countries) for Xiaomi Mi Max 2 4/64GB Black [Fast-08].
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)).