Niche is always good, if you haven't got millions of other people to contend with then you are halfway there. Information that a lot of people are interested in is always an advantage.

If you are blogging than my suggestion would be write a really good article, rather than just a small paragraph of text. Trying get a few back links if you can. Depending on what you are blogging about, maybe there's a possibility of making YouTube videos, you can back link from your videos. It's always a start, and you've got to start somewhere.

If you've written something that is interesting then people will want to read. If it's boring and not written well then you might as well not bother

Start building backlinks... Web2.0 sites, Social bookmarking, etc... Good content!

Pay per click thru Google

No blog can survive paying for clicks. How the hell is that even possible?

Figure where your niche traffic hangs out on the web (forum, etc...).