Look at your Form 1040. If you are getting a refund, there is no penalty for filing late. Your refund is on line 35a. If you owe tax to the IRS, it is shown on line 37.
PREVIEW 1040
https://ttlc.intuit.com/questions/1901539-how-do-i-preview-my-turbotax-online-return-before-filing
Click on Tax Tools on the left side of the screen. Click on Tools. Click on View Tax Summary. Click on Preview my 1040 on the left side of the screen.
If your refund is too small to pay your TurboTax fees then you have to pay your fees with a credit card before you can file.
How can I see my TurboTax fees?
https://ttlc.intuit.com/questions/2565973-how-do-i-review-my-fees-in-turbotax-online