Podcasting can be extremely rewarding. And if you're willing to work hard, you can make a lot of money.   Today, James calls John Lee Dumas, the host of Entrepreneur on Fire, to ask him if he can help answer a question from one of James' Facebook followers. John's an expert at monetizing his podcast. Last month he grossed $307,504.50 and publishes his numbers here .   The question is "How do I approach or attract advertisers in order to monetize my niche podcast?"   You'll hear John and James share numerous ideas right off the top of their heads. Niches are great, you can focus with laser accuracy.   Your first step should be to contact podcast advertisers and prove to them that you can make them money. John tells you how to do this.   The most important thing is to get started...