You can rest assured that you won't receive a product if TurboTax can't successfully process your payment. They simply won't send out product without payment in advance.
But check the instructions in the TurboTax FAQ below to ensure that you've indeed successfully cancelled your Advantage account.
https://ttlc.intuit.com/community/downgrading/help/how-do-i-cancel-my-turbotax-advantage-subscriptio...
Please post back if you have further questions.
*Please click the thumbs-up icon if this response was helpful.
**Please click "Mark As Best Answer" if your question has been resolved. Thank you.
*** I am NOT a tax expert. I am a seasoned TurboTax user, and volunteer to provide assistance to TT users. Nothing I post is to be considered TAX ADVICE; I bear no legal liability for responses.***