Planning Your Own Business What Do I Need To Start My Own Event Planning Business?

What do I need to start my own event planning business? - planning your own business

I am very interested in how to start a business. I want to start slowly, but in a way so ACERT are Wat the things that I need? Is it expensive?
I studied in another country, but I know business, I do not know how I start my own business.
I live in Southern California.