Roth vs traditional 401(k)
How Roth vs pre-tax contributions differ for taxes now vs later.
GuideUpdated for 2026
What you’ll learn
- Plain-English explanation of the rule
- Common mistakes
- Quick examples
Details
This guide is ready as a placeholder. Replace this section with your full article content in your preferred 70/30 tone (human + precise), and add IRS/official citations where relevant.