Answered: 401(k) vs. IRA? Use Both If You Can Published on Aug. 20, 2018 in Answered: 401(k) vs. Roth IRA? Use Both If You CanFull resolution (1938 × 644) ← Previous Next → If you’re eligible to invest in a 401(k) and an IRA, go for it. You’ll be so happy you did. No related posts found.