Building an independent media business around books requires extreme adaptability. For David Kadavy, selling over 100,000 books across formats did not guarantee permanent financial security. After 15 years of writing professionally, his business generates a top-line revenue of $68,000 to $119,000, but his actual gross profit lands between $32,000 and $72,000.
Despite a massive catalog of successful titles, the unpredictability of book sales requires him to constantly shift his income strategy to stay afloat. “Honestly, I’m still not certain how sustainable it is,” David admits. “I’ve been able to make a living at it over more than a decade, but things are always changing.”
Currently, the vast majority of his income—over $63,000 in a recent year—comes directly from book sales. This is a significant shift from his earlier business model, which relied heavily on selling online courses to supplement his initial traditional book advance. He recently retired his entire course catalog to focus purely on writing, relying on a robust $15,000 affiliate marketing revenue stream to provide passive income while he drafts new material.
Operating primarily as a self-published author allows David to bypass the traditional gatekeeping of legacy publishers, which often prioritize authors with elite institutional credentials. While traditional publishing still commands a specific type of market authority, it also strips the author of operational control.
“When you’re traditionally-published, you have very little visibility over your sales, and no control over your pricing,” David explains. Self-publishing offers immediate data feedback and higher royalty percentages, but David notes a harsh reality regarding the bottom line: once you factor in the high costs of independent production and marketing, the actual net profit is often comparable to a traditional publishing deal.
To maximize his limited creative energy and protect his profit margins, David is ruthless about eliminating projects that do not provide a clear return on investment. This meant completely abandoning his podcast, despite its networking value, to focus solely on writing.
Because he lacks a traditional salary, identifying exactly which side projects are actually draining his resources rather than generating revenue is critical to his survival. To navigate these financial decisions and protect his deep work, David relies on a very specific framework for managing his creative output without burning out.
To learn how David evaluates which side projects are draining his resources and need to be cut, check out the rest of the conversation on How I Make Money Writing.
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