First, let's agree that there are many ways to create business from a blog. I'll cover a handful to start. You're very welcome to share more advice and ideas in the comments section on my site at
Blogs are a wonderful piece of software to use as a home base for several kinds of web site projects. For example, Chris Pearson used a WordPress blog to build his DIYthemes site. There, he's selling a beautiful theme called Thesis. That's one way to create business from a blog: a simple sales platform.
Another way is through affiliate marketing. For example, go back and hover your mouse over the URL for the two links to Chris's latest project. You should see this:
http://diythemes.com?a_aid=t4ag3. That part after the ? is an affiliate code. Some sites don't really divulge that they're doing affiliate marketing. Others make disclosure very vital. Now that you know what to look for, you might check other blogs you read and see when they're slipping you an affiliate tag here and there. (In my case, I fully disclose all such relationships on my About page of my blog—see
Blogs are a great way to establish thought leadership and, ...