I want to consider email my return and debiting my payment from my checking account

[robtm]

You can't email your return. You can either e-file it (if that's what you mean) or file it by mail through the post office. either way you can have what tax you owe deducted from your checking account.

[VolvoGirl]

How to efile
https://ttlc.intuit.com/questions/1900599-how-do-i-e-file-my-personal-individual-tax-return

You will need your 2017 AGI.  How to find the AGI   https://ttlc.intuit.com/replies/3301618

If you already picked to mail it, How to change from Mail to Efile https://ttlc.intuit.com/replies/5561257