[bruce511]

>> You need to find something where the pain is urgent, and unsurmountable. And that's very tricky.

As you noted earlier, the tech is the easy part. As you note here, finding customers is the hard part.

Naturally doing the easy part first can often turn out yo be a waste of time.

You talked above about "your ideas". Don't start there. Start by walking around talking to people. Start in your local community. You're looking for pain, and a willingness to pay. Yes, it's the hard part. Yes it's work.