Use this TurboTax website to check your orders and payments - https://shop.turbotax.intuit.com/commerce/orderstatus/orderstatus.jsp
Or-
To access your current or prior year online tax returns sign onto the TurboTax website with the userID you used to create the account - https://myturbotax.intuit.com/
Scroll down and on the section Your tax returns & documents click on Show. Click on the Year and Click on View order details
Or -
When you sign onto your online account and land on the Tax Home web page, scroll down and click on Add a state. See screenshot
This will take you back to the 2018 online tax return.
Click on Tax Tools on the left side of the online program screen. Click on Tools. Click on My Fees
Note - If you requested to have the TurboTax account fees deducted from the federal tax refund there will be a $39.99 service charge for that option and is not a TurboTax fee but imposed by the third party processor who handles the tax refund.