one of the way that you can make money without spending a dime is to make money blogging. You can read the following link for more information. =) The articles compiled are some of the ways that you could make money while blogging.
You only have to have your own blog, write anything that you find interesting in it and promote it so that people will come to read it. This might not be fast money like anything else here but it sure is legit, 100% risk free, since you won't have to pay any capital upfront. Try it out! =)