Everything you need to know for making a wooden pen. All the steps included from the pen kit and marking out the wood blank and preparation. The bushings for a streamline pen and turning a pen on the lathe, a complete pen making how to including the CA glue finish and polishing.
More details on the pen making in these articles.

Finishing Pens
https://www.whitlockwoodendesigns.com/polishing-wooden-pens-the-best-finish/.

Where to sell pens.
https://www.whitlockwoodendesigns.com/10-best-places-woodturners-selling-pens/

Making segmented pens
https://www.whitlockwoodendesigns.com/how-to-make-segmented-wood-pens/