Free advertising opportunities are limited only by your imagination and willingness to do a little work. There are many ways to promote your products with very little cost, it will literally blow your mind just to think of them.
Writing an article relating to your particular product or skill and submitting it to publications and media that distribute information is one very powerful tool you can use. This is simply a matter of becoming your own sales and publicity writer. Getting the word out and establishing yourself as an expert in your field is