What is it going to take to start your business?
How will you make and sell your product or service?
How will you get the word out?
Now is the time to start really researching and planning. Do you need an office? A factory? What can you do yourself? What do you need to outsource?
To find out, go out and study similar businesses. Talk to business owners, read articles in the trade press, join trade associations, go to events.
Make a list of questions, then go out and get them answered.
What will it take in time, space and money? Write down the answers. Create a plan for achieving your goals.