The way I mentally model marketing art online is through a process called "The Circles of Art Marketing."
I'm currently working on a detailed articles series for paid Sovereign Artist Club members that will walk you through each circle and what you have to do at each step to move prospective art buyers to the next step.
If you're not currently a paid Sovereign Artist member, you mightconsider joiningto read the whole article series.
For today, however, I'm sharing an overview of this concept as I simplified it for a Twitter thread. Reading through the tweets below will give you a good foundation of how this model works: