By the Bigger Investing Team • Updated April 2026 • Affiliate Disclosure: We may earn a commission when you sign up through our links, at no extra cost to you.
Trying to pick the perfect time to invest is one of the most common mistakes beginners make. They wait for the market to drop. Then it drops and they’re scared to buy. Then it rises and they feel like they missed it. So they keep waiting.
Dollar cost averaging is the strategy that ends that cycle. It’s simple, it works, and it removes most of the emotion from investing.
Here’s exactly how it works — with real numbers, real examples, and the best apps to automate it.
⚡ Quick Summary: Dollar Cost Averaging
✅ What it is: Investing a fixed amount at regular intervals, regardless of market price
✅ Why it works: Removes emotional timing — you buy more shares when prices dip
✅ Who it’s for: Beginners and long-term investors with monthly income to invest
✅ Best apps to automate it: M1 Finance (free), Acorns ($5 min), Betterment (robo-advisor)
What Is Dollar Cost Averaging? (Dollar Cost Averaging Explained)
Dollar-cost averaging (DCA) means investing a fixed amount of money at regular intervals — regardless of what the market is doing.
Instead of investing $1,200 all at once and worrying about whether now is the right time, you invest $100 every month for 12 months. Some months you buy when prices are high. Some months you buy when prices are low. Over time, your average cost per share evens out — and you stop obsessing over timing.
That’s it. That’s the whole strategy.
The “dollar-cost” part comes from the fact that your cost per share gets averaged over time. When prices are low, your $100 buys more shares. When prices are high, it buys fewer. The result is that you never accidentally put all your money in at the worst possible time.
A Real-World Example: $100/Month in a Total Market Index Fund
Let’s say you invest $100 per month into a broad index fund (like one that tracks the S&P 500). Here’s what three months might look like during a volatile period:
| Month | Share Price | Shares Purchased | Total Shares Owned |
|---|---|---|---|
| January | $50 | 2.0 shares | 2.0 |
| February | $40 | 2.5 shares | 4.5 |
| March | $55 | 1.8 shares | 6.3 |
After three months, you’ve invested $300 total and own 6.3 shares. Your average cost per share is $47.62 ($300 ÷ 6.3).
Why Dollar-Cost Averaging Works for Beginners
Studies consistently show that individual investors underperform the market — not because they pick bad stocks, but because they buy and sell at the wrong times. They panic-sell during dips and buy back in after prices have already recovered. DCA removes that temptation entirely. You invest on a schedule. The price that month is irrelevant.✅ It makes investing feel manageable
For most beginners, the idea of investing $10,000 all at once feels terrifying. What if the market crashes tomorrow? DCA reframes the question: instead of “should I invest now?”, you’re asking “how much should I invest each month?” Starting with $50 or $100 per month is completely fine. The habit is more important than the amount in the early years.✅ It takes advantage of market volatility
Most people see market volatility as a problem. DCA turns it into an advantage. Every time the market drops, your regular investment buys more shares at a discount. Over years and decades, this lowers your average cost and improves your long-term returns.
Dollar-Cost Averaging vs. Lump Sum Investing
There’s a fair debate here worth acknowledging.
Research (including a well-known Vanguard study) shows that lump sum investing outperforms DCA about two-thirds of the time — because markets tend to go up over time, so getting money invested sooner usually wins.
But here’s the catch: that comparison assumes you have a lump sum ready to invest. Most beginners don’t. They have income coming in monthly, and DCA is simply the practical way to invest it.
There’s also the psychological factor. If you invest $20,000 all at once and the market drops 20% the next month, most people panic. Many sell. That wipes out any theoretical advantage from lump sum investing. DCA keeps you in the game.
| Factor | Dollar-Cost Averaging | Lump Sum Investing |
|---|---|---|
| Historical Returns | Slightly lower (on average) | Higher ~66% of the time |
| Emotional Risk | Low — automated | High — panic selling risk |
| Requires Lump Sum? | No — start with any amount | Yes |
| Best For | Beginners, monthly income | Experienced, high risk tolerance |
The verdict: If you have a large amount to invest and a high risk tolerance, lump sum investing may produce better returns. For everyone else — especially beginners investing monthly income — DCA is the right approach.
For more on the fundamentals of disciplined investing, see the SEC’s guide to mutual funds and ETFs.
Best Apps to Automate Dollar-Cost Averaging
The best part of DCA is that you can automate it entirely. Set it up once, and it runs without you thinking about it.
BEST FOR MICRO-INVESTING
Acorns — Round up your purchases and invest the difference automatically.
Acorns lets you invest as little as $5 at a time and rounds up your everyday purchases to invest the spare change. You can set a recurring weekly or monthly investment on top of that. It’s the easiest possible entry point if you’re starting from zero.
Best for: Complete beginners who want to start with almost nothing.
Takes less than 3 minutes to set up. Start with just $5.
Get Started with Acorns →
BEST FOR AUTOMATED PORTFOLIOS
M1 Finance — Build your portfolio once. M1 handles the rest for free.
M1 Finance lets you build a custom portfolio of stocks and ETFs (“Pies”) and then automatically invest on a recurring schedule. When you deposit money, it automatically fills in the portions of your portfolio that need rebalancing. Zero trading fees.
Best for: Beginners who want more control over what they’re investing in, without manually placing trades.
Build your portfolio once. M1 automatically invests and rebalances for free.
Open Free M1 Finance Account →
BEST FOR ACTIVE BEGINNERS
Webull — Combine DCA with stock picking as you learn.
Webull offers free stock trading and supports recurring investments. If you want to combine DCA with some individual stock picking as you learn, Webull gives you both. They currently offer a promotion for new users — check the current offer on their site.
Best for: Beginners who want to learn about investing while still building a disciplined contribution habit.
Free stock trading with recurring investment support. New user promotions available.
Open Free Webull Account →
For a full side-by-side comparison, see our guide to the best investing apps for beginners in 2026.
How to Start Dollar-Cost Averaging in 4 Steps
Step 1: Decide how much you’ll invest each month.
Pick a fixed amount that won’t strain your budget. Even $50/month is a meaningful start. The consistency matters more than the size.
Step 2: Choose what you’ll invest in.
For beginners, a total market index fund or S&P 500 index fund is the standard recommendation. These are diversified by default, low-cost, and have strong long-term track records. You don’t need to pick individual stocks to start.
Step 3: Open a brokerage account.
You need an account to hold your investments. Most modern platforms take 10–15 minutes to set up. See our guide to the best investing apps for beginners to find the right one for your situation.
Step 4: Set up automatic recurring investments.
Every major brokerage lets you schedule automatic investments. Set it to your payday and forget it. This is what makes DCA work — removing the manual decision each month.
Frequently Asked Questions
Is dollar-cost averaging a good strategy for beginners?
Yes — it’s arguably the strategy for beginners. It requires no market timing skill, works with any budget, reduces emotional decision-making, and is easy to automate. It won’t produce the best returns in a perfect world, but it produces excellent returns in the real world where emotions and timing mistakes derail most investors.
How often should I invest with dollar-cost averaging?
Monthly is the most common approach and works well for most people. Some investors do weekly or bi-weekly contributions, timed to their paycheck. The frequency matters less than the consistency — pick an interval you’ll stick with.
Can you dollar-cost average into individual stocks?
Yes, though most experts recommend starting with index funds or ETFs rather than individual stocks. The DCA strategy works the same way regardless of what you’re investing in — the risk profile of the underlying investment is what changes.
What’s the minimum amount needed to start?
With modern investing apps, you can start with as little as $1. Fractional shares mean you don’t need to afford a full share of any stock or ETF. The practical minimum is whatever fits in your monthly budget — even $25–50/month invested consistently over years adds up significantly.
How long should I dollar-cost average?
Indefinitely. DCA isn’t a short-term tactic — it’s a lifelong investing habit. The longer you maintain consistent contributions, the more powerfully compounding works in your favor.
The Bottom Line
Dollar-cost averaging won’t make you rich overnight. Nothing will. But it’s one of the most reliable ways to build wealth over time — precisely because it’s boring, systematic, and removes the biggest risk most investors face: themselves.
🚀 Ready to Start? Here’s Your Next Step
1. Pick a fixed monthly amount — even $50 works
2. Open a free M1 Finance account — takes 5 minutes, $0 fees
3. Set up automatic recurring investments tied to your payday
4. Don’t check it obsessively. Let compounding do its job over years and decades.
When you’re ready to choose a platform, start with our guide to the best investing apps for beginners in 2026 — we’ve compared the top options so you don’t have to.
Affiliate Disclosure & Editorial Note: Bigger Investing may earn a commission when you sign up through links on this page, at no additional cost to you. Our editorial team evaluates products independently. Commissions do not influence our rankings or recommendations. All investing involves risk, including the possible loss of principal.
Want to see how your investments could grow? Try our free investment calculator to project your returns over time.
Disclaimer: This article is for informational purposes only and does not constitute financial advice. Investing involves risk, including the potential loss of principal. Past performance does not guarantee future results. Consult a qualified financial advisor before making investment decisions.
Meet Maurice, a staff editor at Bigger Investing. He’s an accomplished entrepreneur who owns multiple successful websites and a thriving merch shop. When he’s not busy with work, Maurice indulges in his passion for kayaking, climbing, and his family. As a savvy investor, Maurice loves putting his money to work and seeking out new opportunities. With his expertise and passion for finance, he’s dedicated to helping readers achieve their financial goals through Bigger Investing.
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