@AuntLJ wrote:
Having researched this further, I think the answer to my own question is that I probably exceeded a threshold of $313,000 income, that caused me not to be able to itemize.
No, that limit did not exist in 2020 (and even when that limitation was in effect, the limit SLOWLY reduced your deductions once your income passed that certain threshold).
You did not answer my question above, which is what I suspect is the reason.
