Should beginner mistakes after a year [v3]

There is a lot of conflicting advice online and most of it is from 2019. I want to write something more comprehensive about this later but starting with a quick post to gather thoughts.

There is a lot of conflicting advice online and most of it is from 2019. Mostly thinking out loud — feel free to push back hard. I want to write something more comprehensive about this later but starting with a quick post to gather thoughts.