How To Buy ETFs As A Beginner And Start Building Wealth

Businesswoman takes notes while checking performance of ETFs. Beginner investors can buy ETFs using a brokerage account.

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Building wealth isn’t about predicting the next Google or beating the market. It’s about growing a portfolio steadily and letting it compound over time. For most successful investors, the quiet efficiency of ETFs helps manage risk while still allowing participation in long-term growth through built-in diversification.

Think of ETFs as a financial cheat code. Instead of buying shares of just one company, ETFs let you participate in many companies, sectors, commodities or even entire markets — all through a single investment.

What Are ETFs?

An ETF is an investment fund that holds a basket of assets, such as stocks, bonds or commodities.

When you buy a share of an ETF, you are not tying your fortunes to a single company. Depending on the type of ETF, you may be gaining exposure to an entire industry, or a nation’s economy or even the global market.

An ETF is traded on the stock exchange just like shares of a publicly traded company, while offering diversification benefits like a mutual fund. In exchange for managing the fund, ETF providers charge an annual fee known as an expense ratio, a metric critical to determining an investor’s long-term success.

Types of ETFs: Which Is Best For A Beginner

For beginners, broad, low-cost passive ETFs tracking major indices are typically the best starting point. More complex or niche ETFs may serve specific purposes but should be approached cautiously, as higher fees and volatility can impact long-term returns.

Here’s an overview of different types of ETFs:

• Passive ETFs track a market index rather than trying to outperform it. Funds like SPY and VOO follow broad benchmarks such as the S&P 500, offering exposure to hundreds of large U.S. companies. Because they require minimal management, passive ETFs typically charge lower fees and are widely used by long-term investors.
• Actively managed ETFs aim to beat the market. Instead of tracking an index, portfolio managers actively select securities. While this can create opportunities for higher returns, it usually comes with higher fees.
• Bond ETFs invest in fixed-income securities such as the U.S. Treasuries, corporate bonds or municipal debt. They are often used for income and stability. Unlike individual bonds that come with a maturity date, bond ETFs maintain a rolling portfolio, continuously replacing maturing securities—so the ETF itself never matures.
• Sector and commodity ETFs provide targeted exposure. Sector ETFs focus on specific industries like technology (VGT and XLK), healthcare (XLV, and VHT), financial services (XLF and VFH), or energy (XLE and VDE), while commodity ETFs track assets such as gold (GLD, IAU) or oil (USO) without requiring physical ownership. However, the specialized exposure often comes with higher costs and added volatility making them less suitable for beginners.
• Currency and crypto ETFs are more tactical in nature. Currency ETFs are used to hedge or speculate on exchange rates, while crypto ETFs track digital assets like Bitcoin or Ethereum. Given their complexity and volatility, they are generally not suitable as core holdings for beginner investors.
• Inverse and leveraged ETFs are designed for short-term trading. Inverse ETFs move in a direction opposite to a benchmark, while leveraged ETFs amplify daily returns. Both reset daily and can magnify losses, making them unsuitable for long-term investing.

Why Invest in ETFs

By investing in ETFs, an investor makes a bet on many companies, sectors, or commodities at affordable prices, reducing the risk of investing in individual stocks.

Many U.S. brokers now allow buying fractional shares, making ETFs even more accessible for beginners who might not have the full price of a single share of a high-priced ETF. Other benefits include:

• Trading flexibility: ETFs are traded on stock exchanges, just like individual stocks. Investors can buy and sell ETF units throughout a trading day. This is unlike mutual funds that can only be bought or sold at the end of the day at their net asset value, not at real-time market prices.
• Diversification and better risk profile: A single ETF can provide instant exposure to hundreds or even thousands of securities, effectively eliminating the single-stock risk that can derail a portfolio if an individual company falters. While mutual funds also offer diversification, they are often burdened by higher management fees and structural tax inefficiencies.
• Lower costs: Most ETFs are passively managed, and typically less expensive than actively-managed mutual funds. However, the cost structure of ETFs isn’t always as straightforward as it appears, and a low expense ratio is only one part of the equation.
• Tax efficiency: A unique “in-kind” creation and redemption process triggers fewer capital gain taxes for ETF shareholders than mutual fund holders.

When mutual fund shares are redeemed, the fund may sell securities, triggering capital gains for all shareholders — even those who didn’t sell. But, ETFs use an in-kind redemption process involving authorized participants (APs). These APs are typically major banks or broker-dealers that have the exclusive legal right to create and redeem shares directly with an ETF provider. When shares need to be redeemed, the ETF provider simply hands a “basket” of the underlying securities directly to the AP in exchange for ETF shares. Because this is an exchange of assets (in-kind) rather than a cash sale, the IRS generally does not treat it as a taxable event for the fund. So investors only pay capital gains taxes when they sell their ETF shares, typically up to 20% long-term and 37% short-term.

What to Check Before Investing In an ETF

Not all ETFs are created equal. Before you hit buy, look for these metrics.

• Expense ratio: This is the annual fee a fund charges to cover operating costs. For broad market index ETFs, a ratio below 0.10% is generally considered good. For perspective, a 0.10% fee means you pay $10 per year on a $10,000 investment.
• Bid/ask spreads: When trading ETFs, the ask is the market price at which you can buy a share, while the bid is the market price at which you can sell it. The difference between these two prices is called the bid/ask spread, which represents a hidden cost of trading. The wider the spread and the more frequently you trade, the more it can affect your overall returns.
• Tracking difference: Tracking difference measures how closely an ETF’s performance aligns with its benchmark. If a benchmark rises 10% in a one-year timeframe but the ETF only gains 8%, that 2% is the tracking difference. This discrepancy typically arises from factors such as the ETF’s expense ratio, transaction costs and portfolio rebalancing. For instance, an ETF with a 1% expense ratio will, all else being equal, underperform its benchmark by roughly 1%. Additionally, when an index adds or removes a company, the ETFs tracking the index must adjust their holdings in tandem and incur trading and rebalancing costs. So, investors should prioritize funds with low tracking differences.
• Liquidity: Liquidity protects against a flash crash. For core portfolio holdings, it’s generally advisable to choose ETFs with at least $100 million in assets under management (AUM) and healthy daily trading volume so that you can enter or exit positions at fair market prices, even during periods of market volatility, like in recent times.

How Expense Ratios and Bid/Ask Spreads Impact ETF Returns

Even small differences in expense ratios can have a major impact over time. An investor putting $200,000 into a fund earning an average 5% annual return over 20 years could see markedly different outcomes depending on fees:

• No fees: Investment grows significantly more than 2x to $530,659
• 0.5% expense ratio: Final value reduced by roughly $48,000
• 1.5% expense ratio: Final value reduced by more than $132,000, implying high fees eat up roughly 25% of the portfolio value.

However, a low expense ratio alone does not guarantee the cheapest ETF. Investors should consider both the expense ratio and the bid/ask spread, especially for ETFs they plan to trade frequently.

To illustrate, consider two ETFs on a $10,000 investment with a one-year holding period.

• ETF A charges 0.15% ($15) with a very tight bid-ask spread of 0.003% (~$0.30), while ETF B charges 0.10% ($10) but has a wider spread of 0.15% (~$15).
• Despite the lower fee, ETF B ends up costing more overall ($10 + $15 = $25) versus ETF A ($15 + $0.30 = 15.30).

Steps to Buy and Invest in ETFs

Step 1: Open a Brokerage Account

Choose a platform that suits you: Fidelity, Schwab, Vanguard or Robinhood, for example. Look for low fees, research tools and ease of use.

Step 2: Pick Core ETF

Start with a broad U.S. ETF. Add an international ETF for global exposure.

For example, the Vanguard S&P 500 ETF (VOO) lets you invest in the 500 largest U.S. companies all at once, spreading out risk. It has low fees (0.03%), tight bid/ask spreads (typically 0.003% to 0.005%) and automatically reinvests dividends to help your money grow over time. In fact, legendary investor Warren Buffett has stated in his will that the trustee for his wife’s benefit should put 90% of the cash in a very low-cost S&P 500 index fund, suggesting Vanguard’s. In February, VOO saw $16.6 billion in new investments, while SPY and IVV ETFs also tracking the same S&P 500 index witnessed outflows of $8.6 billion and $7 billion, respectively.

Step 3: Deciding How Much to Invest

Only invest money you won’t need for 10 or more years. Before investing, make sure to have an emergency fund of at least six months of living expenses. This ensures you won’t need to sell investments during market downturns.

Step 4: Place Your Trade

Buy using a market order (executed immediately at the current price) or a limit order (executed only at a price you specify). Use limit orders in volatile markets.

Step 5: Monitor Investments

Check holdings regularly, but avoid reacting to short-term market swings.

The Pros and Cons of Investing In ETFs

Pros of Investing in ETFs

• Instant diversification and risk mitigation: ETFs give instant exposure to hundreds of companies, reducing single-stock risk.
• Lower costs: ETFs are cheaper than actively-managed mutual funds and with fractional shares. You can start investing with $5.
• Easy to trade: You can buy or sell ETFs anytime the market is open.
• Tax efficiency: ETFs trigger fewer capital gains than mutual funds.
• Transparency: Fund holdings are visible every day.

Cons of Investing in ETFs

• Market risk: The ETF value is not immune to market downturns.
• Liquidity issues: Niche ETFs can be hard to sell because of lower trading volume and wider bid-ask spreads.

Building wealth does not require outsmarting the market. It requires discipline. For beginner investors, starting with broad, low-cost passive ETFs that track major market indices is often a prudent approach. These funds offer market-aligned returns while keeping expenses low and minimizing tax inefficiencies, both of which can significantly impact long-term wealth compounding. Additionally, investors should consider pairing a broad U.S. ETF with an international ETF to gain diversified exposure to global markets.

Please note that I am not a registered investment advisor, and readers should conduct their own due diligence before investing in this or any other stock. I am not responsible for any investment decisions made based on this article. Readers are encouraged not to rely solely on the opinions and analysis expressed here and to perform their own research before making any investment decisions.