Once you have some automated campaigns up and running you may wish to clone one to save you time with creating a new one?
So once you go via Automation you will see your automated campaigns listed and to the right of the one you wish to clone you will see the Duplicate button:
Just click on the Duplicate button and that will auto-create a copy for you.
The you just need to check and edit the steps to action and related content to check that all is in order for this new automated campaign.
Once you're happy then Start your automation BEFORE you add any contacts.