I am a regular customer and just want to see if I owed money on my2018 taxes. Why is this info not available?

Go to this IRS website for your tax account - https://www.irs.gov/payments/view-your-tax-account

To access your current or prior year tax returns sign onto the TurboTax website with the userID you used to create the account - https://myturbotax.intuit.com/

Scroll down to the bottom of the screen and on the section Your tax returns & documents click on Show.  Click on the Year and Click on Download/print return (PDF)

See this TurboTax support FAQ for accessing prior year online tax returns - https://ttlc.intuit.com/community/prior-year-return/help/how-do-i-access-my-prior-year-return/01/270...

If you used the desktop CD/Download editions installed on your computer, the only copy of your tax data file and any PDF's will be on the computer where the return was created.  TurboTax does not store online any returns completed using the desktop editions.

Or go to this IRS website for free federal tax return transcripts - https://www.irs.gov/individuals/get-transcript

For a fee of $50 you can get a complete federal tax return from the IRS by completing Form 4506 - http://www.irs.gov/pub/irs-pdf/f4506.pdf

Only the IRS can tell you that.   TurboTax cannot know what you might owe.

Check your IRS account and transcript.

https://www.irs.gov/payments/view-your-tax-account

https://www.irs.gov/individuals/get-transcript