[header] How to create a wordpress blog [title] Decide if wordpress-hosting is right for you. [step] If you'd like a place to post your content online, then a wordpress.com account may be what you are looking for. Wordpress does all of the coding and hosting, and all you have to do is upload your content. 
[substeps] You cannot make money from ads if you use wordpress.com. If you want to run your ads on your blog, you'll need to host the site yourself.