Updated 2026-04-21
10 401(k) Investment Mistakes That Cost You Thousands
The most common 401(k) investing mistakes and how to avoid them. From skipping the match to panic selling, with the dollar cost of each error.
Key Takeaways
- Updated for 2026 IRS rules and contribution limits
- Covers eligibility requirements, deadlines, and tax implications
- Includes examples and step-by-step guidance
- Links to relevant calculators for personalized analysis
2026 Quick Reference
$24,500
2026 Deferral Limit
$72,000
Total 415(c) Limit
59½
Penalty-Free Age
73
RMD Start Age
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Pavlo Pyskunov
Managing Director & Investment Fund Director
Pavlo Pyskunov analyzes employer-sponsored retirement plans using IRS publications and DOL Form 5500 filings, helping workers maximize their 401(k) savings through data-driven guidance.
Last updated: 2026-04-21