A blog is not a blog without content so once you’ve set your blog up you need to focus your attention upon creating useful content. What you choose to create will depend a little on the topic that you choose to write about (on that note, most successful bloggers have some focus to their blogging whether that be a niche or a demographic that they write for).
Hi Sam! I love your site. We should definitely connect. I’m a school counselor and recently launched a site for parents to address pertinent teen topics. Like you, I struggle with the ultimate service I’d eventually offer on my site, but Ramsay’s idea is a great start. He’s absolutely right that people are looking for fresh content for their sites! Best of luck to you and I hope we can collaborate.