I hope it works for her, and that she knows how to promote herself well enough that she gets noticed amongst the huge number of slush-titles that are sadly prevalent in self-publishing. I also hope that the amount of self-promotion she will need to do does not detract from her writing. Charles Stross wrote an article about why he doesn't self-publish, which I found rather interesting and informative.
http://www.antipope.org/charlie/blog...f-publish.html