Investors & landlords

I just want to make sure I understand correctly...

  1. Apply to change the accounting method with Form 3115. How long can I expect this take?
  2. After approval, file 2021 and amended tax forms for 2020, 2019, and 2018

Oddly enough, I paid for the Turbo Tax live to review the 2018 returns before they were sent and am surprised this was missed. Does TurboTax have professional accountants or support line I could talk with to help file the amended returns and 3115?