Originally Posted by sbm12

Very few, if any, are that high AFAIK. But clearing 6 figures can be done and has been done by more than a few that I'm aware of.

As for barriers to entry, the process of setting up the server is trivial. I have previously and continue to offer configuration and hosting of such to anyone who wants it, free of charge, so they can set up their blog. Producing content is not trivial. Producing enough content to gather sufficient readers that the bigger (and more lucrative) banks will work with you is even harder still. Just throwing a website up at KokosCuckooForPoints.com isn't going to have Chase or AmEx beating down your door to push their affiliate links.