At shows, pass out promotional materials with your URL on them and ask folks to visit your IUMA web site. Tell fans that they can also purchase CDs through your IUMA site. This drives fan to your site, creates repeat users, and strengthens the relationship between you and your fans. Place ads in weekly alternative newspapers or magazines. They can be a cheap and effective way to market your music and your web site.
Most alternative publications are free to the consumer.
They usually have a section dedicated to their local music scene that includes ads of local artist's, listings of clubs and venues and musician classifieds. Most independent record stores have a local music section where they sell unsigned artist CD's. Some major stores such as Tower Records also accept CD's on consignment. Send a promo package to both college and commercial radio stations. Even if they don't play your music on the air they might mention your shows and your URL to their audience.