This woman isn't even in the top 100 for her category and is pulling in several grand a month off e-book sales.
Are More Authors Than You Think Making a Living Self-Publishing? | The Passive Voice
About this time last year, I wrote up a blog post detailing how I was doing, financially speaking, on my new e-publishing endeavor (I got my start in December of 2010). When it came to ebook earnings, my grand total for March of 2011 was $724.
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A year later, though, things have continued to pick up steam. I have two more novels out, two more novellas, and a new stand-alone short story. In March of 2012, I sold more than 4,000 ebooks, not including downloads of the freebies, and will earn over $5,000 (my ebooks range from 99 cents to $4.95).
. . . .
I’m tickled with the growth in sales (and readers!) over the last year. I decided to officially make this “the day job” in December, though I’d been neglecting the old day job and writing and promoting nearly full-time long before.
I’m sure my earnings will continue to go up and down (as you’d expect, one tends to do best in the months that new releases come out), but I’m happy that, thanks to the current e-publishing paradigm, making a living as a self-published author (and not a best-selling one at that) is viable.