Guides

• How 401(k) and IRA Contributions Lower Taxable Income

  How traditional 401(k) and deductible traditional IRA contributions can lower taxable income, why payroll treatment differs, and where to check current IRS limits without relying on stale numbers.

• How Tax Brackets Actually Work in 2026

  How 2026 federal tax brackets actually work for single filers, with explicit marginal math that debunks the myth that a raise pushes all income into a higher bracket.

• Standard Deduction vs Itemized Deduction: How to Choose

  Standard deduction vs itemized deduction for tax year 2026: how to compare the fixed amount with mortgage interest, SALT limits, charity, medical costs, and other Schedule A items.

• What Counts as Taxable Income, in Plain English

  What counts as taxable income for a US federal return: wages, interest, gig and self-employment income, and the pre-tax contributions and deductions that can reduce it.