An inexpensive and cost-effective method for keeping your name in the minds of your current and former clients -- without spending massive amounts on advertising -- is developing a direct-marketing campaign.

A direct-marketing campaign can comprise something as simple as an email or blog entry reminding and updating information on your services to something more elaborate, such as a weekly or monthly informative e-newsletter or sales flyer.

A direct-marketing campaign requires you develop and maintain an email database of all your prospective, current, and past clients -- which you can easily collect when a visitor submits a request for more information or makes a purchase.

One warning: guard the privacy of your list, do not ever sell your list, and be very careful of not spamming your list with too many messages.