There's only a few things you really need to know about Advertising on the Internet. Use the many free and low cost advertising resources available on the Internet to simplify your marketing tasks and make some extra money at the same time. Actually, you're right.
Nothing is totally free.
Free can mean it won't cost any money, but it will cost time. For most of us that's not really an issue because we are already doing what we love. Learning and using our computers at home to make money on the Internet. Practically all the Internet Gurus started their e-Commerce Businesses on a shoestring budget and built their empires using free advertising and free website promotion services. You can too when you use this Website for what it is intended.