Why should I use the online version when Amazon have it for half off?

[fermin-gonzaga]

Plus, QBO doesn't have a Schedule K option

[Carl]

TurboTax does not set the price at which other authorized retailers sell their products. No more than the apple farmer can tell Wal-mart what to sell it's apples for.

[xmasbaby0]

If your PC or Mac supports the CD/download available from Amazon or some other retailer, take advantage of the savings.

2021 TURBOTAX

CD/DOWNLOAD (This requires a full PC or Mac—-cannot be used on a mobile device)

https://turbotax.intuit.com/personal-taxes/cd-download/

You can also purchase the CD/download from various retailers such as Costco, Amazon, Walmart, Best Buy, Staples, Sam’s Club, etc. etc. etc.

This link Where can I obtain authentic TurboTax software? has a list of authorized TurboTax resellers.

When you use desktop software, there is an additional fee to e-file a state return.  You can avoid that fee if you print, sign and mail the state return.  The state e-file fee is $19.99 and increases in March.

https://ttlc.intuit.com/community/system-requirements/help/minimum-system-requirements-for-turbotax-...

https://ttlc.intuit.com/community/system-requirements/help/minimum-system-requirements-for-turbotax-...

[Critter-3]

You are posting from the LIVE SE online program ... if you switch to the downloaded/CD version then you will not be able to get the LIVE support.  

FAQ:  What is TurboTax Live?

https://ttlc.intuit.com/community/choosing-a-product/help/what-is-turbotax-live/01/27191