Optimal Finance Daily Episode 3481: “To Be Young! The Best Time to Invest”

Original Author: Jesse Cramer, Best Interest Blog
Host: Diania Merriam
Date: March 7, 2026

Brief Overview

This episode centers on the unparalleled value of investing early in life, highlighting how money invested in your 20s can dramatically outweigh contributions made later. Through Jesse Cramer’s post and Diania’s commentary, the episode breaks down the mathematics of compounding returns, illustrates the concept with relatable stories and analogies, and offers reassurance for late starters. The key message: It’s never too early—or too late—to start investing, but the earlier, the better.

Key Discussion Points and Insights

The Challenges and Temptations of Early Adulthood (01:06 - 02:46)

• Entering the Workforce: Young people face a flood of new financial opportunities (spending on wants) and obligations (bills, student loans, rent).
• Relatable Struggles: Diania, channeling Jesse’s perspective, describes the excitement and overwhelm of receiving real paychecks for the first time and being pulled between saving and spending.
• Student Loans, Groceries, Fun: There are endless ways for young adults to spend their newfound income.

Quote:
“A young person's personal finances are stretched thin. And did I mention an emergency fund? Despite all of these expenses, it turns out that your younger years are also the best time to invest in your retirement.” (01:37)

The Power of Compounding and the Case Study of Wallace (02:47 - 06:34)

• Compounding Over Time:

  • Hypothetical worker Wallace invests in S&P 500 index funds from age 22–62 (a 40-year career).
  • By dollar-cost averaging and not trying to time the market, Wallace benefits from an average historical return of 9% per year.

• Exponential, Not Linear Growth:

  • It’s not 40 × 9% = 360%; it’s about exponential compounding:

    “Instead, you should take 9% growth or 1.09 and raise it to the power of 40. That's a 3141% increase. Whoa. Each dollar that Wallace contributes at age 22 will grow to $31 by the time he retires.” (05:19)

  • Money invested at 22 grows more than twice as much as money invested at 32, and more than ten times as much as money invested at 52.

• The Stark Difference Early Investing Makes:

  • Wallace’s first seven years of investing (ages 22–29) contribute half his entire final retirement balance.
  • The following 33 years of investing contribute the other half.
  • With 3% inflation (real growth ~6%): The first 10 years equal the next 30 in impact.

Quote:
“Wallace's first seven years of investing contribute half of his final account balance. His final 33 years of investing contribute the other half. That's how significant the growth of his early years are.” (06:10)

The Power of Early Action in Dollar Terms (06:35 - 07:19)

• Example:
  • Wallace invests $10,000/year for 7 years ($70,000 total, ages 22–29), then never invests again.
  • Another person invests $10,000/year for 33 years ($330,000, ages 29–62).
  • Both end up at age 62 with about $1.9 million.

Quote:
“Wallace invests $70,000 over seven years. The other person invests $330,000 over 33 years. But they reach age 62 with about 1.9 million. That's my point here. Your youth isn't just a good time to invest. It's the best time to invest.” (07:16)

Addressing Regret and Starting Late (07:20 - 08:21)

• For Late Starters:
  • “You might say I'm 40 and this post has me depressed. I missed out on investing in my 20s and 30s, and now I'm filled with regret.”
  • The important message: The past can’t be changed, but investing now still matters.
  • For a 40-year-old, the next 6 years are as impactful as the following 16—a similar compounding effect at any age.

Quote:
“The best time to invest was 20 years ago, but the next best time to invest is now.” (08:08)

Diania Merriam’s Commentary: Compound Interest as a “Beast” (10:40 - 12:00)

• Compound Interest Visualization:
  • Diania shares the lily pad story: a lily pad doubles every day, covers the pond on day 30, and is only half the pond on day 29.
  • The hardest part is saving the first $100,000; after that, compounding makes each subsequent $100,000 easier and quicker to achieve.

Quote:
“Compound interest is a beast when it comes to growing your wealth. And the best way to harness that beast is by putting it to work as soon as possible.” (10:42)

Quote:
“Many people will say day 15. But when you understand compound interest, you'll know that the lily pad will cover half the pond on day 29, and then the whole pond on day 30.” (11:13)

Notable Quotes & Memorable Moments

• “Each dollar that Wallace contributes at age 22 will grow to $31 by the time he retires.” (05:22, Jesse Cramer)
• “Wallace's first seven years of investing contribute half of his final account balance. His final 33 years of investing contribute the other half.” (06:10, Jesse Cramer)
• “The best time to invest was 20 years ago, but the next best time to invest is now.” (08:08, Jesse Cramer)
• “Compound interest is a beast when it comes to growing your wealth...” (10:42, Diania Merriam)
• “The hardest part is saving your first hundred thousand.” (11:34, Diania Merriam)

Important Timestamps

• 01:06 — Start of main article reading: The struggle and opportunities young adults face.
• 03:56 — The math of compounding: 1.09^40 vs. 40 x 9%.
• 06:10 — Early investing vs. late investing: The “Wallace” illustration.
• 07:16 — $70k invested early equals $330k invested later.
• 08:08 — The “next best time to invest is now” reassurance.
• 10:40 — Diania’s compound interest analogy and final takeaways.

Final Takeaway

This episode delivers a powerful and actionable lesson: The earlier you start investing, the greater the rewards due to compounding. But even for those late to the journey, investing now is still hugely impactful. Whether you’re in your 20s, 40s, or beyond, the message is clear—don’t wait to start, because time in the market will always be your greatest ally.

For full show notes, visit the Best Interest Blog or listen to more insights from Diania Merriam on Optimal Finance Daily.