When customers buy information, particularly “how to” information, they want to buy from an authority or expert. The customer wants to be confident that you know what you’re talking about and that they’re going to receive a useful product for the price.
Creating products is easier when you can rely on what you already know, without having to do extra research. This is why you want to tailor your products to a specific group. This also makes marketing your business much easier and effective because you know the exact group you’re targeting and what their needs, problems, and desires are.
For most successful infopreneurs, the ideal niche is a combination of three things.