Can you explain how did you built on initial idea to make thousands or millions of dollars?
For example, I fantasized about being able to program and work in VR or AR in order to have an unlimited number of application windows around me in 3D space. So, I started by building an app for Android and iOS called VR Browser (https://apps.vuplex.com). Then, I started receiving emails from companies asking if they could license my technology to embed web content in their own VR apps and video games. Now I run a profitable business selling that 3D web browser functionality as a family of plugins for the Unity game engine (https://vuplex.com). Now that I have found product market fit, I just listen to my customers and they basically tell me (in aggregate) what to build next.
And if that seems cliche or flippant, I didn't mean it as such. It's a non trivial problem with a non trivial process to solve and nothing bets talking to people for finding out what bothers them about their workflows.
For the ideas. Need is a good way. For example, we build custom machine learning products for enterprise in varying sectors, for different problems, to serve diverse domain experts.
This takes a lot of time and the consulting model is not scalable as is. The revenue per employee will not be that of a SaaS business, and revenue isn't recurring, or predictable. Don't even get me started on the impact of this on hiring, or morale.
So after years of delivering these products, we noticed some patterns, and we decided to build our machine learning platform to do the heavy lifting[0].
We wanted to reduce the activation energy of delivering products based on what we learned un seven years or so of shipping actual products.
This is one way to do it. Granted, this is an expensive problem. How many hours do highly paid teams waste on menial things and cognitive load? A lot.
- [0]: https://iko.ai
All I can say is try to do a market analysis to see who the competition is and where there are opportunities within the space.
Pat Flynn's Will It Fly book covers this pretty well under the market map section.