There is no charge to e-file with the Online version, the charge is for the returns. The charge would be the same whether you e-file or mail in your returns.
If you printed your taxes to mail them in and went all the way through the File section, when you sign in to TurboTax Online, the Way to go! You filed your 2019 taxes you won't see a way to change to e-filing. As long as you haven't already mailed your 2019 paper return, you can switch to the e-filing method (through October 15, 2020). However, some states now require e-filing, which means the federal and state must be e-filed together.
If you already mailed your return, don't e-file. This can cause problems with the government, including refund delays.
There is no charge to e-file with the Online version, the charge is for the returns. The charge would be the same whether you e-file or mail in your returns.
If you printed your taxes to mail them in and went all the way through the File section, when you sign in to TurboTax Online, the Way to go! You filed your 2019 taxes you won't see a way to change to e-filing. As long as you haven't already mailed your 2019 paper return, you can switch to the e-filing method (through October 15, 2020). However, some states now require e-filing, which means the federal and state must be e-filed together.
If you already mailed your return, don't e-file. This can cause problems with the government, including refund delays.