1. Start your own internet radio station. It could be related to theme of your web site and you could advertise your products over station.
2. Turn your banner ad into a trivia question. Post question on banner and tell readers they can win a prize if they answer question at your site.
3. Motivate people to buy your product. Tell them a lot of positive things like "You can now reach your goals and change your life if you buy our product".
4. Get your sales letters and web site evaluated for free. Visit business discussion boards and ask other discussion participants to evaluated them.
5. Get your products or services evaluated for free. You can give your product for free in exchange for evaluations and even testimonials.
6. Keep your loyal customers happy because they are your future profits. Give them discounts and free gifts as often as possible.