Are you on the Advantage Plan Auto Renew program? You might have more than 1 Account.
If you have 2 Advantage accounts you can return one of them. Wait until you receive your TurboTax product, then submit an online refund request within 60 days of receipt here, https://support.turbotax.intuit.com/forms/refund-request.jsp
OR Contact Customer Service during office hours M-F 5am-5pm Pacific (8-8 Eastern) https://support.turbotax.intuit.com/contact/
THEN you should cancel one account for next November by signing into your TurboTax Advantage account and under Your Product, select to remove product. Once you remove the recurring product order, the TurboTax Advantage subscription will be cancelled, as well.
How to cancel Turbo Tax Advantage
https://ttlc.intuit.com/questions/1901052-cancelling-or-refunding-your-turbotax-advantage-enrollment...
Use this TurboTax account recovery website to get a list of user ID's for an email address. Run the tool against any email addresses you may have used https://myturbotax.intuit.com/account-recovery
