The Viral TikTok Video That Could Help Your Kids Retire With $4M

A new TikTok video suggests a way to set up your kids with $4 million for retirement, and it doesn’t require a trust fund or a lottery ticket.

The catch? Your teenager needs to start working early, and you’ll need to let them live at home scot-free through their early twenties.

Real estate agent and content creator Freddie Smith’s five- to seven-year plan aims to transform teenage earnings into a multimillion-dollar nest egg, all without incurring the expense of college tuition.

MarketWatch consulted financial advisors on the feasibility of Smith’s plan.

The $4 million blueprint

Smith’s approach, which he describes as a “thought experiment,” requires serious commitment from both parents and teens.

• Phase 1: Parents cosign on a car so their child can work part-time from an early age, earning, say, $1,200 per month. The aim is for the working student to pay off the car at $500 per month and have money left over to have fun and be a kid. Ideally, the car should be paid off by the time they graduate from high school.
• Phase 2: At age 18, your newly minted adult, still driving their first car, keeps living at home and works full time, earning $35,000 per year. Parents continue to pick up the tab for all living expenses. Kids don’t pay a thing. The goal is to save $25,000 every year for three years from age 18 to 21. That’s a total of $75,000, which is invested for compound growth over the next several decades.

According to Smith, those invested savings could transform into $4 million by the time they’re in their 60s through the power of compound interest. No college debt, no rent payments, just focused saving during those crucial early years.

Reality check on the numbers

The experts that MarketWatch consulted felt that some of Smith’s assumptions were aggressive. To grow from $75,000 to $4 million would require some pretty optimistic conditions over several decades.

The stock market has historically delivered strong returns over long periods, but there’s no guarantee of future performance. Plus, inflation could significantly erode that $4 million’s purchasing power decades from now.

The savings target itself may present a significant hurdle. For an 18-year-old to save $25,000 annually, they would need to earn considerably more before taxes. Many entry-level jobs available to high school graduates do not pay enough to make these numbers work, even with mom and dad picking up all their living expenses.

The expert verdict

MarketWatch’s financial advisors commend the focus on early savings but note that the plan relies on unrealistic assumptions.

Expecting teens to work 20 hours a week at above-average wages while in school, and then save $25,000 annually from age 18 to 21, demands near-perfect circumstances.

It also downplays the value of higher education and assumes a stable job market and unchanging priorities. A rigid savings path may limit growth, independence, or access to higher-earning careers that often require credentials.

Financial success depends not just on saving early, but on flexibility and earning potential.

Building wealth without the extremes

Parents can help their children accumulate wealth without following such an extreme playbook. Teaching financial literacy early creates lasting habits that benefit kids regardless of their career path. Children who understand budgeting, investing, and compound interest make smarter money decisions throughout life.

• Start with achievable goals. When your teen gets their first job, help them open a Roth IRA. Even small contributions during high school can grow substantially by retirement without requiring complete financial sacrifice.
• 529 education savings plans offer more flexibility than many realize. Recent rule changes allow unused funds to roll over into Roth IRAs under certain conditions, providing families with options for both education and retirement.
• Matching savings can reinforce good habits. Parents who can afford it might match their child’s contributions, helping them build wealth while still enjoying some of their earnings.
• Help them choose their car insurance. For example, by using a car insurance shopping site to find cheaper insurance. They might save up to $600/yr.
• Real knowledge often beats financial gifts. Teaching young adults to budget, invest in index funds, and avoid lifestyle creep sets them up for long-term success.
• Take your teen with you next time you get advice from a professional. If you have more than $100,000 in savings, SmartAsset offers a free service that matches you to a vetted, fiduciary advisor in less than 5 minutes. That conversation could teach your child more than three years of free rent ever would.

Smith’s viral strategy contains a kernel of truth. Early investing and living below your means do help build wealth. However, expecting teens and young adults to follow such a strict plan may overlook modern realities and the value of formative experiences.

Parents can support their children’s financial future without putting their own lives or their children’s on hold. Start early, stay flexible, and build lasting financial habits.