The three main places to invest money

When you have money to invest, you are choosing between three broad categories: stocks (ownership pieces of companies), bonds (loans you make to companies or governments that pay you back with interest), and cash equivalents (savings accounts, money market accounts, and certificates of deposit that hold their value but earn small returns). Most people do not pick just one. Instead, they spread their money across all three in different amounts depending on how long they can leave the money alone and how much they can afford to lose.

The place where you invest matters as much as what you invest in. You can buy stocks and bonds through a brokerage account (an account that lets you trade securities), through a retirement account like a 401(k) or IRA (accounts with tax advantages but withdrawal rules), or through your employer's benefits plan. Cash equivalents live in savings accounts at banks or credit unions. Each route has different costs, different tax treatment, and different rules about when you can touch the money.

Key Takeaways

  • Stocks, bonds, and cash equivalents are the three main investment categories, and most investors hold some of each rather than betting everything on one type.
  • A brokerage account lets you buy and sell stocks and bonds whenever you want, but you pay taxes on gains and losses each year.
  • Retirement accounts like 401(k)s and IRAs let your money grow without annual taxes, but you cannot withdraw before age 59½ without a penalty in most cases.
  • Banks and credit unions offer savings accounts and certificates of deposit that are safe and liquid but earn returns so small they often lose ground to inflation.
  • Your first decision is not what to buy but how long you can leave the money untouched — that determines which account type makes sense.

Brokerage accounts: buying stocks and bonds on your own schedule

A brokerage account is an account at a firm like Fidelity, Charles Schwab, Vanguard, or E*TRADE where you can buy and sell stocks, bonds, mutual funds, and exchange-traded funds (ETFs). You open the account, deposit money, and then decide what to buy. You can sell whenever you want. There is no age restriction and no penalty for withdrawing.

The trade-off is taxes. Every time you sell an investment for a profit, you owe capital gains tax on that profit. If you hold the investment for more than a year before selling, you pay long-term capital gains tax, which is lower. If you sell within a year, you pay short-term capital gains tax at your regular income tax rate. You also owe taxes on dividends (payments companies make to shareholders) in the year you receive them, even if you do not sell the stock. This means a brokerage account works best for money you plan to hold for years without touching, or money you do not need for tax-advantaged growth.

Brokerage accounts have no contribution limits — you can invest as much as you want. Commissions (fees to buy or sell) have largely disappeared at major brokerages, though some charge small fees for certain types of trades. The account itself is usually free to open.

Retirement accounts: tax-deferred growth with withdrawal restrictions

A 401(k) is a retirement account offered by your employer. You contribute money directly from your paycheck before taxes are taken out (in a traditional 401(k)) or after taxes (in a Roth 401(k)). Your employer may match part of what you contribute — for example, matching 50 cents for every dollar you put in, up to 6 percent of your salary. That match is assistance programs. The money grows without being taxed each year. You do not pay taxes on gains, dividends, or interest until you withdraw the money in retirement.

The catch is that you cannot withdraw before age 59½ without paying a 10 percent penalty on top of income tax on the withdrawal. There are narrow exceptions — hardship withdrawals for medical bills or eviction, loans against your own balance, or separation from service — but they require paperwork and have their own rules. You also cannot contribute more than a set amount each year (the limit changes annually and is higher if you are over 50).

An IRA (Individual Retirement Account) is similar but you open it yourself, not through an employer. A traditional IRA works like a traditional 401(k) — contributions may be tax-deductible, and withdrawals are taxed as income. A Roth IRA is different: you contribute after-tax money, but withdrawals in retirement are tax-free. Roth IRAs also let you withdraw your contributions (not the earnings) at any time without penalty, which makes them slightly more flexible. Contribution limits are lower than 401(k)s, and income limits apply to Roth contributions if you earn above a certain threshold.

Savings accounts and certificates of deposit: safety over growth

A savings account at a bank or credit union holds cash and earns interest. The money is insured by the FDIC (Federal Deposit Insurance Corporation) up to $250,000 per account holder per bank, so you cannot lose it. You can withdraw whenever you want. The downside is that interest rates on savings accounts are low — often between 0.01 percent and 5 percent depending on the bank and the current interest rate environment. That means your money grows slowly and may not keep pace with inflation.

A certificate of deposit (CD) is a savings product where you agree to leave money in the account for a set time — three months, six months, one year, five years, or longer. In exchange, the bank pays you a higher interest rate than a regular savings account. If you withdraw before the term ends, you pay a penalty (usually a few months of interest). CDs are also FDIC-insured and safe, but they lock your money away. They make sense if you know you will not need the money for a specific period and want a may provide return.

Both savings accounts and CDs are good places for an emergency fund (money you keep for unexpected expenses) or money you will need within a few years. They are not good for long-term investing because the returns are too low to build wealth.

How to choose between account types

Start by asking yourself: when do I need this money? If the answer is "within a few years," use a savings account or CD. If the answer is "not until retirement," use a 401(k) or IRA. If the answer is "I am not sure" or "I might need it but probably not," use a brokerage account.

Next, ask: does my employer offer a 401(k) match? If yes, contribute enough to get the full match. That is an immediate return on your money that you cannot get anywhere else. After you have captured the match, decide whether to contribute more to the 401(k) or open a brokerage account. A 401(k) gives you tax-deferred growth but limits how much you can contribute and when you can withdraw. A brokerage account gives you flexibility but you pay taxes on gains each year.

If you are self-employed or your employer does not offer a 401(k), you can open a SEP-IRA (for self-employed people) or a Solo 401(k) (if you have no employees) and get similar tax advantages. A financial advisor or tax professional can help you understand which makes sense for your situation.

What to actually buy once you have opened an account

Once you have chosen an account type, you need to decide what to buy inside it. For beginners, the simplest approach is to buy a target-date fund or a balanced fund. A target-date fund automatically adjusts its mix of stocks and bonds based on when you plan to retire — a 2050 target-date fund holds mostly stocks now and gradually shifts toward bonds as 2050 approaches. A balanced fund holds a fixed mix, usually 60 percent stocks and 40 percent bonds.

Both of these are mutual funds or ETFs — baskets of many stocks or bonds bundled together. Buying a fund instead of individual stocks spreads your risk. If one company fails, it is a small part of your fund, not your entire investment. Funds also charge fees (called expense ratios) that range from nearly free (0.03 percent per year) to expensive (1 percent or more per year). Lower-cost funds at Vanguard, Fidelity, and Schwab are a good starting point.

Do not try to pick individual stocks unless you have time to research companies and are comfortable with the risk. Most people who try to beat the market by picking stocks end up doing worse than people who simply buy a low-cost fund and hold it.

Understanding fees and costs

Every investment route has costs, and they add up over time. In a brokerage account, you pay capital gains taxes on profits. In a 401(k) or IRA, you pay taxes later on withdrawals. In a fund, you pay an expense ratio — a percentage of your balance charged each year. In a CD, you pay a penalty if you withdraw early.

The smallest fees are at low-cost index funds (funds that track a market index like the S&P 500) at brokerages like Vanguard, Fidelity, and Schwab. Expense ratios can be as low as 0.03 percent per year, meaning you pay $3 per year on a $10,000 investment. Actively managed funds (where a manager picks stocks) often charge 0.5 to 1.5 percent or more. Over decades, the difference compounds — a 1 percent fee on a $100,000 investment costs you $1,000 per year, and that money could have grown.

Avoid accounts with high fees, frequent trading (which triggers taxes and commissions), and investment products you do not understand. The simpler your approach, the lower your costs and the better your odds of success.

Frequently Asked Questions

Can I have both a 401(k) and an IRA at the same time?

Yes. You can contribute to both in the same year, but there are limits. If you have a 401(k) at work, you can still open and contribute to a traditional IRA, though the tax deduction may be reduced depending on your income. A Roth IRA has income limits that may prevent you from contributing if you earn above a certain threshold. A tax professional can help you understand what makes sense for your situation.

What is the difference between a mutual fund and an ETF?

Both are baskets of stocks or bonds, but they trade differently. A mutual fund is priced once per day after the market closes, and you buy it directly from the fund company. An ETF trades throughout the day like a stock and you buy it through a brokerage. ETFs often have lower expense ratios and are more tax-efficient. For most beginners, either works fine — pick whichever your brokerage makes easiest to buy.

How much should I invest in stocks versus bonds?

A common rule is to subtract your age from 110 — that percentage goes in stocks, the rest in bonds. So at age 30, you would hold 80 percent stocks and 20 percent bonds. At age 60, you would hold 50 percent stocks and 50 percent bonds. This is a starting point, not a rule. Your comfort with risk and how long until you need the money matter more than your age alone. A target-date fund does this math for you automatically.

Is it too late to start investing if I am older?

No. Even if you are close to retirement, investing in bonds or balanced funds can still grow your money. You have less time for recovery if markets drop, so you should hold more bonds and less stocks than a younger person. But doing nothing guarantees your money will not grow. Talk to a financial advisor about a plan that fits your timeline.

What happens to my 401(k) if I leave my job?

You have several options. You can leave it with your former employer (if the balance is above a minimum, usually $5,000). You can roll it into an IRA at a brokerage, which gives you more investment choices. You can roll it into your new employer's 401(k) if they allow it. Do not cash it out — you will owe taxes and a 10 percent penalty on the full amount. A rollover is usually the best choice because it preserves the tax-deferred growth.