See this TurboTax support FAQ for how to cancel your Advantage subscription - https://ttlc.intuit.com/turbotax-support/en-us/help-article/change-service-level/cancel-turbotax-advantage-subscription/L4UBBY0Th_US_en_US?uid=m8d1yr8k
Here's how to cancel your TurboTax subscription and refund requests based on your situation:
If You Have Not Purchased and Are Only Using TurboTax Online:
If You Have Purchased TurboTax Desktop:
If You Have a Subscription to TurboTax Advantage:
If you meant something else reach back out.
If you had questions about the TurboTax product or service, reach back out.