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Show Me the Money-What's the Skinny on Author Earnings? - Kristen Lamb
I can tell you that the authors who treat writing as a business and who seek education and mentoring are making a heck of a lot more than $1000 a year. I've seen that, too. I've witnessed many writers who were willing to do all it took to make a good living writing and boy they are. Hugh Howey, Teresa Ragan, H.P. Mallory, and Saffina Deforges (three of these four I know personally and all great people and I many more examples but this post is long enough).
Kristen Lamb