See this TurboTax support FAQ for canceling your Advantage subscription - https://ttlc.intuit.com/community/downgrading/help/how-do-i-cancel-my-turbotax-advantage-subscription/01/25548
You can sign into your Turbo Tax Advantage account and under Your Product, select to Remove Product. Once you remove the recurring product order, the Turbo Tax Advantage subscription will be cancelled as well.
How to cancel Turbo Tax Advantage
Well if I'm already cancelled then WHY does intuit continue to send me emails asking me for my payment method so they can run my card?????? IF I'm cancelled then they should leave me alone.
Use this website to contact TurboTax support during business hours - https://support.turbotax.intuit.com/contact/
Support can also be reached by messaging them on these pages https://www.facebook.com/turbotax/ and https://twitter.com/TeamTurboTax
Sounds like you have multiple accounts ... see if you do this way ...
https://ttlc.intuit.com/questions/1901486-how-many-turbotax-accounts-do-i-have