How do I get a copy of a return AFTER I filed this year in TurboTax Online?  

https://ttlc.intuit.com/replies/3301525

Before 10/15/19 .... To get whole return with all  the worksheets please log back in your TurboTax account and "add a state" to open the return back up (you are not really adding a state, just to open it back up), then select Tools and choose the print center, then select returns and choose the radio button to include all worksheets.

https://ttlc.intuit.com/questions/1899645-how-do-i-save-my-2018-turbotax-online-return-as-a-tax-data...

https://ttlc.intuit.com/questions/1912544-how-do-i-save-my-2018-turbotax-online-return-as-a-pdf

If you did not complete the estimated payment section  before you can do so now after opening the tax file ...

Can TurboTax calculate next year's federal estimated taxes?

https://ttlc.intuit.com/replies/4242911

Can TurboTax calculate the estimated payments for next year's state taxes?

https://ttlc.intuit.com/replies/3301735