There's no disputing the power of Internet marketing, nor the many facets that comprise Internet marketing. From pay-per-click campaigns and SEO optimization to email marketing and Web directory submissions, there are a seemingly endless number of ways you can promote your website. Increasingly, however, website owners are turning to free article directory submissions to drive traffic to their websites. Although free article directory submissions are low cost and take relatively little effort, there are five common mistakes that render any effort ineffective. Here are three guidelines to help you avoid those costly mistakes and to reap the greatest rewards from free article directory submissions.