If you have not actually paid for the TurboTax account you can remove Max benefits.
See this TurboTax support FAQ for how to remove Max benefits - https://ttlc.intuit.com/turbotax-support/en-us/help-article/change-service-level/remove-max/L4Lfp46x...
Otherwise -
You will have to contact TurboTax support for assistance with this problem. Use the key words Billing Issue
See this TurboTax support FAQ for contacting support - https://ttlc.intuit.com/turbotax-support/en-us/help-article/account-management/turbotax-phone-number...
