[MaknMoreGtnLess]

> Well the question is not just for this idea but for any idea, how do you know if a problem is big enough to be solved.

This is premature optimization. How many datapoints do you have so far?

Did you interview 50-60 of one persona yet?

There is no one answer because the detail completely lies in the specifics, which is why I asked you those questions. You seemed to have missed those questions.

> And how do to proceed when there are mixed signals when talking to customers.

There's no mixed signals. You're uncovering personas.

Each persona outputs a different but unique signal.

Segment them. Then try and resonate with 1 to max 3 personas depending on your mental bandwidth and resource ability.

By the way, how did you learn to do market research first before building a product? You're already ahead of the curve and very likely to be successful than most first time founders I've seen