The funny thing is that all these things can happen. You could make a full-time income from building a blog. We do it, Corbett Barr does it, and so do many others. And you could become Internet famous like Leo Babauta or Chris Brogan. But if these are the sole reasons why you start blogging, you’ll be miserable, because it will seem like a job, and if it feels like a job you won’t be passionate about it, and so you’ll either (a) hate it, (b) fall flat on your face, or (c) hate it and fall flat on your face.
Selling private ads can come in the form of banners, buttons, or links. You can even make money writing sponsored posts where you write about or give a review of an advertiser’s product or service. Another option is to write an underwritten post or series, which is where you can write about any topic, but the advertiser pays for a “Brought to you by” mention in the content.