Basically copy coupon, view price history or create e-mail price alert. You probably want to know what is the best price?
, Card Extend: Support MicroSD Card / up to 2TB (dedicated slot), ROM: 128GB / UFS 3.1, Display Size: 6.67 inch 107.4 cm2 (~92% screen-to-body ratio), OS: Android 10 / ZenUI 7, RAM: 8GB / LPDDR5, Resolution: 1080x 2400 pixels / 20: 9 ratio (~395 ppi density), CPU: Snapdragon 865 (7nm+) / Octa-core (1×2.84 GHz Kryo 585 & 3×2.42 GHz Kryo 585 & 4×1.80 GHz Kryo 585), Features: Corning Gorilla Glass 6 / 90Hz Refresh Rate / HDR10+ / 700 nits (typ) / SGS Eye Care Display, Type: Super AMOLED, GPU: Adreno 650
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in Hong Kong. There is one coupon available! Pretty cool, huh?
Link: Banggood product page
1. ($678.00): 13f142
apply code in your basket (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): BGASUSZF78, 7d18f7, BGHKZF78, BGHKOP8T12, BGZF701, BG3SSZF7, BG3SSYBZF7, BG42ZF7
(probably won’t work, but you can try them out)
Price history and price alert
Check out price history chart (for all/most countries) for ASUS ZenFone 7 ZS670KS 5G 8/128GB Snap865.
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)).