I think you could find something with a simple process:
1. Pick area that you have some familiarity with,
2. Go out and do a whole bunch of customer development interviews
3. Analyze the responses to look for common patterns
4. Iterate till you find something that people will pay for
1. Pick area that you have some familiarity with, 2. Go out and do a whole bunch of customer development interviews 3. Analyze the responses to look for common patterns 4. Iterate till you find something that people will pay for