All was well until he said multiply by 24 hours blah blah blah .This is very misleading, load is not static it varies for instance there is an LG front load washing machine that uses 200 watts during washing but there is a few minutes window during the initial stage that it pulls 2400 watts .
Did you know you can read consumption data using the pulse light . However the most accurate is having CT clamp kit sending data to automation software of your choice - home assistant is free and very friendly .