But it may provide other benefits like helping others & being perceived as an expert, which can lead to paid speaking opportunities, workshops, or even just ano

But it may provide other benefits like helping others & being perceived as an expert, which can lead to paid speaking opportunities, workshops, or even just another thing on your resume to help you appear worth a higher salary next time you look for a job. Book sales themselves are not where your income comes from as an author, especially in a niche. It’s all the other stuff. If your book sells a lot that’s awesome, but that isn’t a realistic plan.