Or try this link for ads that drive traffic. You pay nothing up front, but the company takes a cut of the sale. Try Cafe Press . If you plan to sell products on your site, you should accept credit cards. You can then gather the customer e-mail information you need to build a database for promotion idea number 8.
People love getting free information.
You can start an e-mail list for free at ListBot. Post your free classified ad - yes, there a places on the web that accept free classified advertising.