[c2]

The problem is finding them - that is the opportunities to serve relatively niche markets. Unless you are talking to and involved in such an ecosystem you will have no idea it exists or how to appropriately address the niche market's burning problems.

But I agree - from my experience these are absolutely the best avenue for a return on investment. On the flip side, 9 times out of 10, you won't need any outside investment to get the product off the ground, all you have to do is post on a few specific forums and you will have a business overnight.

[reneherse]

Agreed, the question is how to find such niches. Though often it's deep, expert knowledge that provides insight, I highly value the idea of the "beginner's mind". An fresh perspective on a new field (or re-obtaining freshness on a familiar one) seems to often suggest new opportunities.

From a lifestyle perspective, having a wide range of interests and making friends in different fields might help...