Power Monitoring for CNC?

I was digging this morning for something premade (no sense in wasting the time doing something somebody is already selling on Amazon) and I stumbled on this little DIN power monitoring and remote switching.

You can power up your CNC with voice or smartphone as well as figure out what it’s truly costing you on your electric bill.

Here is another one;

I took this many steps too far and run an Iotawatt in my shop/house to monitor power

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Ha! We wouldn’t be building DIY CNC machines if we did take things way to far :rofl:

I took it a step farther and made my own house-wide power monitor:
http://www.delorie.com/electronics/powermeter/

I am lazy, I just make the things that plug into the walls report their usage. No wiring or installs. It’s “Hey Google, what is the power consumption of all light bulbs that are blue colored?”