This is mainly a user community forum. Nothing account-specific can be handled here. You will need to phone TurboTax Support to discuss your billing situation and to seek any refund if there is any error.
Support hours are 5AM-9PM Pacific, every day this time of year.
FAQ: What is the TurboTax phone number?
https://ttlc.intuit.com/community/using-turbotax/help/what-is-the-turbotax-phone-number/00/25632
