Our questioner is an creative type, and loses all interest in the act of creation as soon as the deed is done. They need our help to stop their creations from sitting, unloved and alone, on the shelves. They are asking us, dear listener, us, how to do a marketing.
Some resources
Here's that "comic" that Roger mentions on the show, which is in fact not a comic, but is still a good article on business models and going to market for creatives:
You need a business model to make it as an artist, Jessica Abel
Make It Then Tell Everybody is Dan Berry's podcast on audience-building and marketing for comics and other creative work.
The Business Model Canvas is a handy thinking tool to get you going. See also: the value propositions one from the same folks.