For a good idea, the environment you live in should be thoroughly examined.
Brainstorming should be done.
(How? What can I change? How can I improve? How much money do I need? Who can I get help from? ) These questions should be asked.
You don’t need to find anything from scratch. You can start small. The important thing is to think and research. It’s about getting ideas, planning and taking action.
Just thinking and planning is not enough, if the final step is not to act, it will all go to waste.
Here are some advices: