# What is the best way to invest $13?

Olivia Watson · August 4, 2026

> Investing just $13 per week for 50 years can turn into over $571,000, assuming a 10% average annual return - a great way for teens to start building...

Investing just $13 per week for 50 years can turn into over $571,000, assuming a 10% average annual return - a great way for teens to start building wealth early.

Investing $13 per month in a S&P 500 index fund over 30 years could potentially grow to over $20,000, thanks to the power of compounding.

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Some investment apps allow you to automatically invest as little as $13 per transaction, making it easier to invest consistently over time.

Studies show that dollar-cost averaging by investing a fixed amount, like $13, regularly can outperform lump-sum investing over the long run by smoothing out market volatility.

There are now brokerage accounts specifically designed for teenagers aged 13-17 to start investing with as little as $13, teaching valuable financial skills.

Investing just $13 per week in a Roth IRA from age 18 to 65 could grow to over $1 million, thanks to the account's tax-free growth.

The average annual return of the S&P 500 has been around 10% over the long term, meaning a $13 weekly investment could potentially grow to over $170,000 by retirement age.

Investing $13 per month in a target-date retirement fund can provide instant diversification and professional asset allocation as you work towards your goals.

Robo-advisors often have low minimum investments, sometimes as low as $13, making professional portfolio management accessible to small investors.

Investing $13 per week in a health savings account (HSA) from age 30 to 65 could accumulate over $150,000, which can be used tax-free for medical expenses in retirement.

Many online brokerages now offer fractional share trading, allowing investors to buy portions of stocks with as little as $13, further lowering the barrier to entry.

Historically, the stock market has returned around 10% annually over the long term, meaning a $13 weekly investment could potentially grow to over $1 million by age 65.

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