I'm fairly new to blogs myself. My blog is at:
The most simplest way would be for you to create your blog and then provide a link to it from your home page. At least for the moment you will have a blog already created and done - while you learn the more complicated way.
"How did I ever get talked into this?"
I'm eager to add some interactgivity to my well-established site, but my techie knows nothing about'blogs'. I've read books and can't get what I need out of them. My webhost accomodates blogs to sites but also no help doing it.