Data usage smart things hub?

How much data does the hub or connected devices use or send ? I am looking to set up ST hub on a smartphone with cellular wifi tethering (unused line on family plan )

There are a couple posts that answer your question:

Adding a chart that shows my data usage over the past 30 days.

I did some programming using CoRE last month, here is my Wi-Fi data usage. This DOES NOT include any data from my wife’s phone or any IDE usage. This is only Wi-Fi usage on my mobile phone. This is pretty typical usage for me as I tend to tinker with my rules.