How to start investing in the stock market boils down to three moves: pick diversified investments like ETFs, let compound interest* stretch your money over time, and automate your contributions so the system works whether you’re paying attention or not.
If you grew up in a family where investing wasn’t discussed at the dinner table, you’re not behind — you’re simply starting fresh. Many first-generation Americans and Latino families were never taught how the stock market works. This guide explains it clearly, without jargon, assumptions, or gatekeeping.
You don’t need a large sum or a Wall Street pedigree. You need a repeatable process — and the discipline to let it run.
TL;DR
- ETFs let you invest in hundreds of companies at once, reducing the risk of betting on a single stock.
- Compound interest* turns small, consistent amounts into significant wealth over 10, 20, or 30 years.
- Automating your investments removes emotion and keeps your plan on track through market ups and downs.
- You can start with as little as $25 per week, the amount matters less than the habit.
- The biggest risk for most people isn’t losing money in the market. It’s never starting.
Why Do Most People Wait Too Long to Invest?
Every year you postpone investing, you’re not just losing potential gains, you’re losing the one resource you can never earn back. Time. And unlike a bad stock pick, which you can recover from, lost years of compounding don’t come with a second chance.
That paralysis is common. The stock market feels intimidating, the fear of losing money is real, and there’s always a reason to delay: not enough saved, not enough knowledge, not the right moment. But consider what inaction actually costs. The S&P 500 has historically delivered about 10% per year on average over long periods (annual results vary). Past performance never guarantees future results.* Sitting on the sidelines while that kind of growth compounds year after year is an expensive form of caution.
The variables you actually control are straightforward: how much you contribute, how consistently you do it, and whether you stay invested when the headlines turn scary. Everything else (daily market swings, geopolitical noise, the pundit on TV predicting doom) falls outside your control. Spending energy on those things instead of the basics is where most people go wrong.
What this means for you
Waiting for the “right time” is itself a decision, and it’s usually a costly one. A repeatable plan, even at $25 per week, beats a perfect plan you never execute. If you have $1000 ready to start, you should read our article “How to invest your first $1000“.
A calm way to begin: a simple, diversified ETF portfolio paired with automatic contributions. Your plan runs even during the weeks you’re too busy to think about it.
What Are ETFs (and Why They’re Ideal for Beginners)
An ETF (exchange-traded fund) is an investment product that pools money from many investors and trades on a stock exchange, much like an individual stock. Think of it as buying the whole orchard instead of betting on one tree. For a first-time investor, that distinction matters enormously, because a single stock can collapse while a diversified basket absorbs the shock.
Buy a broad U.S. stock ETF and you gain exposure to hundreds of companies in one transaction. That diversification is the simplest protection against concentrating your money in the wrong place at the wrong time. And fees are lower than you’d expect: the industry-wide average ETF expense ratio sits at about 0.23%, while low-cost index ETFs can run as low as 0.03%–0.04% per year.
The U.S. Securities and Exchange Commission describes ETFs as a type of fund that can offer diversification and typically has expenses investors should understand (like fees), which makes it worth reading the basics before committing money, per the SEC’s investor education site: Investor.gov (SEC).
If you’re weighing “one stock” versus “one ETF” and you’re still learning, the ETF is almost always the steadier on-ramp. For a deeper look at how to structure that approach, this resource on building a diversified all-ETF portfolio walks through what real diversification looks like in practice.
How Does Compound Interest Grow Your Money?
Compound interest is what happens when your returns start generating their own returns. In simple terms, you earn gains not just on your original investment, but also on the gains you’ve already earned. It isn’t mysterious. It’s arithmetic plus patience, and the stakes of ignoring it are steep.
Suppose you invest $25 per week. That’s $1,300 per year. Keep that up for 20 years and you’ll have contributed $26,000 out of pocket. If your investments earn a hypothetical 8% average annual return, the account could grow* to about $59,000. At a hypothetical 10%, roughly $74,000.*
Stretch the timeline to 30 years and the numbers shift dramatically. Your total contributions would be $39,000. At a hypothetical 8% return, the balance could reach roughly $147,000.* At a hypothetical 10%, roughly $214,000.* Returns vary, and nothing is guaranteed. But the direction of the math reveals the real trade-off: starting five years earlier can produce more wealth than dramatically increasing your contributions five years later.
That gap between starting now and starting later? It only widens with time. And that’s the risk most people underestimate.
How to Start Investing in the Stock Market: Build a System
Enthusiasm fades. Systems don’t. If your investing depends on how motivated you feel on a given Tuesday, it won’t survive the first rough month.
Step 1: Set a budget. Figure out what you can invest consistently without jeopardizing rent, groceries, or sleep. If that number is $10 a week, that’s your number. If it’s $25 or $100, fine. The right amount is the one you can repeat indefinitely without financial strain.
Step 2: Open an investment account. A standard brokerage account works for general investing; an IRA adds tax advantages for retirement savings. For 2025, the IRA contribution limit is $7,000 (or $8,000 if age 50+), per the IRS. When choosing a platform, look for transparent fees, diversified ETF options, and easy automation.
Step 3: Automate contributions. Schedule a recurring transfer and take the weekly debate out of the equation entirely. Investing on autopilot also means you naturally spread purchases over time (buying more shares when prices dip and fewer when prices climb).
Step 4: Keep your plan boring. If you’re monitoring market headlines daily, you’ll feel pressure to react. Long-term investing rewards inaction far more often than it rewards tinkering. With a diversified ETF portfolio and a decade-plus time horizon, the best response to volatility is almost always to keep contributing.
This steady cadence (fixed amount, fixed schedule) is known as dollar-cost averaging — a strategy where you invest the same amount on a regular schedule regardless of market prices. Over time, it can smooth out the emotional and financial ride considerably.
How Much Do You Actually Need to Start?
Less than most people assume. Fractional shares — the ability to buy a portion of a single share rather than a whole one — have eliminated the old barrier of needing enough cash to buy a full share of an ETF. Today you can put $25 to work immediately.
Starting at $25 per week establishes the habit. If you bump that to $35 or $50 later, you’re layering more fuel onto an engine that’s already running. What matters is that the system exists before you try to fine-tune it.
Compare two scenarios: smaller contributions that start now versus larger contributions that start in five years. The earlier start almost always wins, because compounding rewards duration more than it rewards volume. Delay is the hidden fee nobody puts on a disclosure form.
Investing as a First-Generation or Latino Investor in the U.S.
For many of us, investing wasn’t something we saw growing up. We were taught to work hard, save, avoid debt, and stay cautious — not to buy shares of companies or talk about index funds at the dinner table. That doesn’t mean you’re behind. It means you’re building a new financial chapter.
The fear of losing money in the market is rational. If your family prioritized stability, cash savings, or tangible assets, that instinct makes sense. But long-term investing isn’t about gambling on hot stocks. It’s about owning small pieces of hundreds of companies and giving time a chance to work in your favor.
Ownership changes the trajectory. Instead of only earning income from your labor, you begin earning from assets. Over decades, that shift can create stability not just for you, but for the next generation.
You’re not late. You’re early in your family’s investing journey.
What Are the Most Common Mistakes First-Time Investors Make?
Trying to time the market. Waiting for the “perfect” entry point means missing years of compounding while you watch from the sidelines. This is why long-term investing tends to outperform market timing for most people.
Checking your portfolio every day. A 2% daily drop feels alarming in the moment, but over a 20-year timeline it’s statistical noise. Constant monitoring breeds impulsive decisions that undermine long-term results.
Investing without a goal. A retirement portfolio 30 years out can weather significant volatility. A down-payment fund you need in three years cannot. Without knowing the timeframe, you can’t evaluate whether the risk you’re taking actually makes sense.
Putting all your money in one stock. A single company can lose half its value in a quarter. Inside a diversified ETF, that same stock is one small piece of a much larger basket (its collapse stings rather than devastates).
Frequently Asked Questions
How do I start investing in the stock market in the U.S. with little money?
You can begin with $25 per week, or even $10. Use a platform that offers fractional ETF shares and set up an automatic transfer. Fractional shares let you buy a portion of an ETF share, so you don’t need hundreds of dollars upfront. The critical piece isn’t the dollar amount; it’s removing friction so contributions happen without you having to decide each time.
Are ETFs a good choice for first-time investors?
For most beginners, ETFs can be a viable option. A single broad-market ETF spreads your money across hundreds of companies, so you’re not staking everything on one outcome. You get diversification in one purchase, often with annual expense ratios below 0.10% — far less than the industry average of about 0.23% — without needing to research individual stocks.
How does compound interest work when investing?
Compounding means growth builds on prior growth. Invest $25 per week for 20 years and you contribute $26,000. At a hypothetical 8% annual return, that could grow to around $59,000.* At a hypothetical 10%, roughly $74,000.* The longer your money stays invested, the more pronounced the effect becomes (which is exactly why delay is so costly).
What is an automatic investing strategy and why does it matter?
It’s a scheduled, recurring transfer from your bank account into your investments. Automation eliminates procrastination and takes emotion out of the process. It also means you naturally buy more shares when prices are lower and fewer when prices are higher, smoothing out your average cost over time. This approach is called dollar-cost averaging.
What is the average stock market return over time?
The S&P 500 has historically averaged roughly 10% per year since its modern structure began in 1957 — about 6%–7% after adjusting for inflation. But individual years swing wildly: the index has gained 30%+ in some years and dropped over 30% in others. That volatility is exactly why consistent, long-term investing matters more than guessing the right moment. Past performance doesn’t guarantee future results.*
When you’re ready to take the next step, Finhabits offers tools to set up an investment account, choose a diversified ETF portfolio, and automate contributions, without making it feel like a full-time job.
The Real First Step
How to start investing in the stock market in the U.S. isn’t a knowledge problem, it’s an action problem. Diversified ETFs reduce the risk of picking wrong. Compounding rewards the years you stay invested. Automation ensures your plan survives the weeks when life gets hectic.
If you’re nervous, start smaller rather than not at all. Twenty-five dollars a week works. Ten dollars a week works. What doesn’t work is another year of meaning to get around to it. The cost of inaction compounds too, you just never see the bill.
Sources
- Investor.gov (SEC) – Mutual Funds and Exchange-Traded Funds (ETFs)
- IRS.gov – Retirement Topics: IRA Contribution Limits
All sources accessed and verified on February 26, 2026. External links open in new window.
Disclaimer:
This material is provided for informational purposes only and is not intended to offer investment, legal, or tax advice. All images and figures are for illustrative purposes. Investment advisory services are offered through Finhabits Advisors LLC, a registered investment advisor with the SEC. Registration does not imply a certain level of skill or training. Past performance is not indicative of future returns. All investments involve risk, including the possible loss of principal. Securities are offered through Apex Clearing Corporation, Member of FINRA, SIPC. Securities held at Apex are protected up to $500,000, which includes a $250,000 cash limit. See SIPC.org for more details.
Projections are for educational and illustrative purposes only. They are based on the assumptions stated and will change if those assumptions change. They do not predict or reflect the actual performance of any Finhabits portfolio, and they do not account for economic, market, or individual financial factors that can impact real investment outcomes.
© Finhabits, Inc. All rights reserved.



