There is a difference between self-publishing and "vanity" publishing. With the vanity presses, you pay money up front for your book to be published. And you usually do not see any royalties.
With self-publishing you may or may not have to pay up front fees to get your book published. And, they are better at giving you royalties. Here are some links to other people's experiences with Virtual Bookworm:
Now one of the top on-line publishers in the world, LifeTips offers tips to millions of monthly visitors. Our mission mission is to make your life smarter, better, faster and wiser. Expert writers earn dough for what they know. And exclusive sponsors in each niche topic help us make-it-all happen.