How to Invest in Stocks with Little Money Online

Fractional Shares: Own a Piece of Expensive Stocks

Fractional shares let you buy a portion of a stock instead of a full share. Instead of needing $530 for one share of Apple (AAPL), you can buy $10 worth. Every major brokerage now offers fractional shares: Fidelity (Dollar Slices), Schwab (Stock Slices), Robinhood, and Interactive Brokers. This means you can build a diversified portfolio of expensive stocks and ETFs with small monthly contributions. The minimum purchase is usually $1–$5.

Zero-Commission Brokerages

All major brokerages now offer zero commissions on stock and ETF trades — Robinhood, Fidelity, Schwab, Vanguard, and Interactive Brokers (Lite tier). In 2026, there is no excuse to pay trading fees. The real costs to watch are expense ratios on ETFs and mutual funds (aim for under 0.10%), account maintenance fees (should be $0), and inactivity fees (also $0 for all major brokers). Opening an account with $0 minimum is standard across the industry.

DRIP: Automate Your Compounding

Dividend Reinvestment Plans (DRIP) automatically reinvest dividends to buy more shares (or fractional shares). If you own an ETF like VOO that pays a ~1.3% dividend yield, DRIP will automatically purchase more shares each quarter. Over years, this compounds your returns without any effort from you. All major brokerages offer automatic DRIP in your account settings. Enable it on day one and forget about it.

Dollar-Cost Averaging

Dollar-cost averaging (DCA) means investing a fixed amount on a regular schedule regardless of the price. Set up a recurring transfer of $50/month into an S&P 500 ETF like VOO or IVV. When the market is high, your $50 buys fewer shares. When it is low, your $50 buys more shares. Over time, DCA reduces the impact of market timing and removes emotional decision-making. Automate it so you never have to think about "is this a good time to buy?"

Micro-Investing Apps: Acorns and Stash

Acorns ($3/month) rounds up your purchases to the nearest dollar and invests the spare change. Link your credit/debit card, and every time you buy coffee for $4.50, Acorns invests $0.50 into a portfolio of ETFs. One-time recurring investments are also supported. Stash ($3/month) lets you invest in fractional shares of individual stocks and ETFs with a focus on education and thematic investing ("Buy the Dip," "Clean Energy"). Both are good for absolute beginners who want a hands-off approach, though their monthly fees are high relative to small balances (the fee can eat 5%+ of a $100 portfolio).

Best Brokerages for Small Accounts

For accounts under $1,000, prioritize Fidelity (no minimum, fractional shares, zero fees, great ETF selection) or Robinhood (simplest app, fractional shares, instant deposits). For hands-off investing with no trading decisions, use Betterment or Wealthfront robo-advisors (0.25% fee, fractional shares, goal-based planning). Avoid brokerages with inactivity fees, annual fees, or mutual fund minimums ($1,000–$3,000) that prevent small accounts from diversifying.

FAQs

Can I really start investing with $5?

Yes. Robinhood, Fidelity, and Schwab all allow fractional share purchases starting at $1–$5. Buy $5 worth of an S&P 500 ETF and add more each month.

How much will I earn with $100/month invested?

At 8% average annual return, $100/month for 30 years = ~$149,000. Time in the market matters more than the amount. Start with whatever you can.

Should I pay off debt before investing?

Yes if the interest rate is above 5–6% (credit cards, high-interest personal loans). For low-interest debt like student loans (3–4%), investing may make more sense long-term.

Are micro-investing apps worth the fees?

For the first $500–$1,000, the monthly fee (~$3) is expensive as a percentage. Once your balance grows past $1,000, the fee becomes negligible. Consider opening a Fidelity account directly to avoid monthly fees entirely.