Cancel my subscription
What subscription? Do you mean the TurboTax Advantage program?
https://ttlc.intuit.com/community/downgrading/help/how-do-i-cancel-my-turbotax-advantage-subscription/00/25548
See this TurboTax support FAQ for how to cancel an Advantage subscription - https://ttlc.intuit.com/turbotax-support/en-us/help-article/change-service-level/cancel-turbotax-advantage-subscription/L4UBBY0Th_US_en_US?uid=mapbc0so