The financial model is real, but it's way more nuanced than just "wait for a publishing deal or rake in royalties." BookTok genuinely drives sales volume - we're talking thousands of copies moving in weeks for a breakout hit. Where the money actually comes from depends on the author's setup. Direct Amazon sales via KDP (Kindle Direct Publishing) do hit those 35-70% royalty rates depending on pricing, but that's just the baseline. Smart indie authors are layering income: audiobook narration rights sold to platforms like Findaway Voices, foreign language editions licensed out, and merchandise tie-ins. Some bigger BookTok authors have negotiated print-on-demand deals that generate per-unit margins better than traditional publishing.
That said, the earlier answers undersell one reality: most authors riding this wave aren't making life-changing money from BookTok alone. A viral book might sell 5,000-10,000 copies in a month, which at even $3 per unit nets maybe $10k-15k gross before taxes. That's solid, but it's not passive income - it required writing the book, strategic pricing, audiobook investment, and usually some marketing push to get the algorithm's attention in the first place. The real winners are authors who've built series and can convert that first BookTok win into sustained sales across multiple titles. Traditional publishing deals still matter, but increasingly as a *second* play after proving sales velocity, not the primary goal.