Create your own directory on a specific industry topic, placing your own ad or banner along the top. Then invite others to add their website links via a link exchange program, listing themselves in your directory. This will result in lots of free advertising for you as your directory expands with links across the World Wide Web. Enter “link exchange software” into your favorite search engine for help with setup.

Write out a simple step-by-step instructional class in your area of expertise. Then break it up into smaller segments and set them up in an autoresponder as email messages with your ads included at the top and / or bottom of each message. Invite website visitors to sign up through on online form or email subscription address offered through the autoresponder service. Then as people sign up, they will learn more about you and your products and services.