The mark of a good niche is the amount of money you can earn from it.
It is easy to come up with a niche that you love and know inside and out. But passion and knowledge will not pay for the costs of setting up and developing your site.
That is why you need to find a niche site that allows you to make money.
When done correctly, you can turn your niche site into your main source of income. That means you are independent from an employer and can work at your own pace.
Because not all niches are made equal, you need to research for a niche with the greatest opportunity to earn.
Below are factors that you must consider in finding and determining a profitable niche.