The standard mileage rate for all business use of an automobile is 56 cents per mile for 2021.

The itemized deduction of state and real estate taxes are still limited to $10,000 ( $5,000 if married filing separately ) for 2021.

The contribution limit for traditional and Roth IRA is $6,000 for 2020 and 2021, with a catch-up limit of $1,000 for individuals age 50 and over.

Economic impact payments could be claimed on your 2020 federal income tax return if you didn't receive it.