I'm looking for a way to set my personal preferences.
How can I do that?

Examples:
Polylines start out with a thickness of 1.
I don't need that. I need to start out with a thickness of 0.125

Opening a new file there is always the compass there. I don't need that. If I needed I want to turn it on.

Creating new "rooms" there is always the square footage displayed. I don't need that.

There is more. What I need is that I can set the defaults so that the polylines start with a thickness of 0.125, opening new file has no compass and creating a new "room" no square footage is displayed unless requested it.