Do your homework and develop a plan. How much do you have to invest? Think about a barn as building a new home.

Start with a simple project start up questions.
What?
When?
Wnere?
Why?
How much?

Develop a business (activities) plan. Start with a simple draft, fill out blank pages and, later, customize it.

If you really serious in what you want to do or accomplish, you won't waste your time.