One of the most persistent myths in personal finance is that you need thousands of dollars saved up before you're allowed to start investing. In reality, most major brokerages have eliminated account minimums entirely, and fractional-share investing means you can own a piece of nearly any public company for as little as $1. The real question isn't how much you need to start — it's how much you can contribute consistently over time.
The Actual Minimum to Open an Account
Most online brokerages in the U.S. now require $0 to open a standard taxable account, and many have eliminated per-trade commissions on stocks and ETFs as well. Some retirement accounts or specific mutual funds still carry minimums, sometimes $500 to $1,000, but a basic brokerage account for buying stocks and ETFs typically has none.
Fractional Shares Changed the Math Entirely
Before fractional-share investing became widely available, buying a single share of an expensive stock could cost hundreds or even thousands of dollars, effectively locking out small investors. Now, most major brokerages let you buy a specific dollar amount of a stock — say, $25 worth — rather than needing to afford a whole share. This alone has removed the single biggest practical barrier to getting started.
What Actually Determines Your Long-Term Outcome
Your final investment balance is driven far more by how consistently you contribute and how long your money stays invested than by your starting amount. Someone who invests $100 a month for 30 years will, in most historical market scenarios, end up with dramatically more than someone who waits five years to save up a large lump sum before starting, purely because of the extra time in the market. This is why dollar-cost averaging — investing a fixed amount on a regular schedule — is often recommended over trying to time a large lump-sum investment.
Set a Realistic Starting Number
Rather than fixating on an ideal starting amount, pick a figure you can commit to contributing every month without strain — even $25 or $50 — and automate it. You can always increase the amount later as your income grows. The goal in the first year isn't to build substantial wealth; it's to build the habit and get comfortable with how investing actually works.
Key Takeaways
- Most brokerages now have $0 account minimums, and fractional shares let you invest with as little as $1.
- Consistency and time in the market matter far more to your long-term outcome than your starting amount.
- A small, automated monthly contribution beats waiting to save up a large lump sum before starting.
- Some retirement accounts or specific funds may carry minimums, but a basic taxable brokerage account typically does not.
- Set an amount you can sustain every month rather than fixating on an ideal one-time starting figure.
Frequently Asked Questions
Can I really start investing with $10?
Yes. Many brokerages allow fractional-share purchases starting at $1-$5, so $10 is enough to buy into a diversified ETF or a partial share of an individual stock.
Is it better to invest a lump sum or small amounts over time?
Both work, but for most people without a large lump sum available, investing smaller amounts consistently over time (dollar-cost averaging) is more practical and reduces the risk of investing everything right before a downturn.
Do I need $1,000 before opening a brokerage account?
No. Most standard brokerage accounts for stocks and ETFs have no minimum deposit requirement. Some specific mutual funds or managed accounts may have minimums, but they're not required to start investing generally.
Conclusion
The amount of money required to start investing is no longer a meaningful barrier — it's the habit that matters. Open an account with whatever you're comfortable committing, even if that's $25 a month, and let time and consistency do the heavy lifting. You can always increase your contributions as your income grows, but the earlier you start, the more time your money has to compound.