There are generally two schools of thought when it comes to predicting profitable niches.
- Use free and openly available online keyword tools to determine niches that are getting traffic. Then, research a way to carve your way into the niche you choose, unveiling phrases that are searched for, but under-served by the SERPs (low competition).
- Focus on niches you are deeply knowledgeable about, and intuit phrases that are not yet appearing in keyword tools, but will be soon.
Both techniques...