Everyone can "Start for Free". That's the marketing line.
It appears from your post that you're using TurboTax Self Employed edition. In the TurboTax Online platform, each state tax preparation program incurs an additional charge of $44.99 (currently). There is no additional charge to e-file your state return.
Many state departments of revenue offer free e-filing through their website. But you'll have to have the know-how to prepare your state return without the TurboTax transfer of your federal info into the state return. See the link below to reach your state DOR.
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Did you already e-file your federal return? You would have paid for the federal tax prep in order to print or e-file it.