Learn the concept behind "Attraction Marketinig." It involves a lot of different methods, but the basis of this marketing method is "branding" oneself as an expert and a resource. Here are some of the ways to do this.
1. Join and contribute in internet forums. Become recognized and people will be attracted to you because they respect and believe you.
2. Blog. Start your own blog and contribute by posting comments in other people's blogs. Very powerful.
3. Write informative and interesting articles related to your business and publish them in any number of online article directories.
4. Answer questions in here. Answer intelligently and sincerely, and people will become interested in you and what you have to say.
All of these methods, and there are more, will "attract" people to you and your business, thus the term "attraction marketing." And the best part is, none of these methods cost a dime!
I hope this helps.