Could be $40 if you want the Turbo Tax fees deducted from your federal refund. Are you using the Online version or the Desktop Download? Pay upfront with a credit card to avoid the extra charge.
For Online, How to review your fees
https://ttlc.intuit.com/community/charges-and-fees/help/how-do-i-review-my-fees-in-turbotax-online/00/26353
How to remove the Pay with Refund fee
https://ttlc.intuit.com/community/downgrading/help/how-do-i-remove-pay-with-my-refund-fees-in-turbotax-online-and-change-my-payment-method/00/25880
There is not a a charge for e-filing. You are looking at the "refund processing fee" of $40 ($45 in CA) to have your TurboTax fees deducted from your federal refund instead of paying upfront BEFORE you e-file using a credit or debit card. You do not have to do that. Pay for TT upfront.
What is Refund Processing Service?
How can I see my TurboTax fees?
REMOVE REFUND PROCESSING FEE