Here’s a really helpful list of the different ways an author can make some money. Not just suggestions, but actual links to hiring pages for various publications (books, magazines, blogs, etc.).
Instead of sitting around waiting for the Mysterious Force to drop some assignments in your lap, pitch a story idea to a magazine or website. Study the market. Come up with a story idea. Do a little research and mini-interview. Then write a great pitch letter and send it off. Rinse and repeat.