In the Online version there is a separate fee to prepare a state return, whether you efile or print and mail. Filing is free and included. To not pay for state you can delete it. How to delete the state,
https://ttlc.intuit.com/community/using-turbotax/help/how-do-i-delete-my-state-return-in-turbotax-on...
How to see your fees
https://ttlc.intuit.com/community/charges-and-fees/help/how-do-i-review-my-fees-in-turbotax-online/0...
