I think the first step in the invention process once you have an idea is to read everything you can get your hands on about the invention process and then decide if you are still interested in pursuing it.
The best thing to do is to look through what is available on this website and also skim through some inventor books (check in the library or if you like, in our Amazon store
The Brutal Truth About the Invention Process
is also great place to start.
It tells you the hard realities of the processl
If you are still interested in moving forward, then, you will have good information about what lies ahead and be much better prepared to do what it takes to get "lucky"