You’re absolutely right in saying to choose a subject you enjoy. Of course you need to make sure there is a market for this subject. But chances are, if you are interested someone else will be too. The internet is a big place.

Just hold tight. One day you might become one of the big wigs. I’ve heard of companies coming to bloggers and paying them around $2000 a month for a single ad spot on their blog. Of course this was a blog with lots and LOTS of people visiting it.

The point is it happens.