After you file

Without changing anything, do check your data entry for any typos, especially commas and decimal points. And @xmasbaby0 is indeed correct that the IRS often catches these types of errors, especially relating to W-2, 1099, etc. form mistakes.  In those cases, the IRS will review (not audit) your return and adjust it as necessary.

If you are audited, the IRS will contact you and ask for additional information.

 

An audit is not the end of the world.