Your first 5 steps if money is not an issue; check to see it hasn't already been done, make it privately, test to see it works, test marketability of product, patent the points of difference between your product and existing products. If money is an issue then visit https://www.kickstarter.com/ and click start at the top left of the page.
I have an idea for a product and I would like to license it and have it created. And sold. What is the first step?
