The five biggest mistakes you can make in the Thirty Day Challenge

• bad numbers - not enough searches or too much competition
• bad strategy - no way to sell (eg no affiliate products)
• not matching post title & headline with keyword
• putting affiliate links in too soon (wait until after you’re indexed)
• other Web 2.0 comptetitors - avoid Web 2.0 hosts where someone has taken your keyphrase

Use Directory Submissions to get more backlinks

Use the free directory submitter at IMWishlist, and the free RSS Submitter, RSS Submit Pro to submit your site and your RSS feed to directories

Answer relevant questions at Yahoo Answers to get more backlinks

Put a backlink to your blog/site in your answers at Yahoo Answers