Help for a newby cause I am missing a lot

Hi all.Just starting HA, got it installed o a Pi 4 wi a P1 cable to my smart meter.
So far, so good. But then it starts. Although I am not a noob I am really missing a step by step guide on how to add meters, sensors, how to see a nice graph etc.etc. Even if I want to start over I cant find how to delete my settings. Is there a good site for a newby like me ?


The best place to begin is here (or on Discord) by asking how do I do X. Then people can point you either at the documentation that explains how to do X, or work with you to assemble the various pieces.

For instance, a “nice graph” may be something like or something custom like