If you want inbound links to your site one way to do this without paying is writing articles and post them in different sites that allow you to submit articles.
Writing articles is one of the best ways to promote your web site. It is one of the best ways to build the relations, credibility and to help get people to know more about you and your area of expertise is to write articles. One advantage that you can get with writing articles is that if your article get submitted it is an automatic inbound link to your site without having to add a link on your site to them.
People are always looking for good articles for their websites, blogs and newsletters. By submitting your articles and allowing others to publish them free of charge you begin to develop credentials in your field and essentially “brand” yourself through your name. Make sure you submit your article on the right category and also make sure you write the articles according to their terms. If you don’t follow the terms then you won’t have your article publish.
It is through well written articles and keeping your visitor wanting to learn more that you will see more traffic...