What Are Shares?
A share is a tiny piece of ownership in a company. When you buy shares of Apple or Tesla, you own a fraction of that business. If the company does well, your shares are worth more. If it does badly, they’re worth less.
This isn’t complicated. You don’t need to understand quantum physics or derivatives pricing. You just need to know what you’re buying and why.
Why Buy Shares?
The main reason is simple: over long periods, the stock market has historically gone up. The S&P 500—the index of 500 large US companies—has returned about 10% per year on average since 1926. That’s before inflation, so real returns are closer to 7%. Still decent.
But here’s what most beginner guides don’t tell you: that 10% average hides some brutal years. In 2008 the market dropped nearly 40%. In 2020 it crashed 30% in two months before recovering. If you panic-sell during a downturn, those long-term returns mean nothing to you.
The second reason is dividends—companies that share profits with shareholders. Some stocks pay regular dividends (think utilities or consumer goods companies), which can provide income even when the stock price isn’t moving much.
How to Actually Start
You need a broker. In the UK, that means someone regulated by the FCA. In Australia, ASIC regulation. Don’t use an unregulated offshore broker just because they advertise low fees—your money isn’t protected if they go bust.
Pick a broker with low or zero commission for shares. Many now offer this. Open your account, transfer some money, and you’re ready to buy.
Here’s the part that matters: don’t try to pick individual stocks when you’re starting out. Pick an index fund or ETF instead. An S&P 500 ETF gives you exposure to all 500 companies in one purchase. You get instant diversification without needing to research each company individually.
I know picking stocks sounds more exciting, and it is—until you lose money doing it. Most individual investors underperform the market over time. The S&P 500 beats about 90% of active fund managers over a decade. Don’t be that manager.
How Much Should You Invest?
This depends entirely on your situation, but here’s the rule I follow: only invest money you won’t need for at least five years. The market can stay down for years—look at 2000 to 2013, when the S&P 500 took over a decade to recover from the dot-com crash.
If you’re just starting out, begin small. $100 or $200 a month is fine. Dollar-cost averaging—investing the same amount regularly regardless of market conditions—is one of the simplest and most effective strategies available. You buy more shares when prices are low and fewer when they’re high, without having to time anything.
Common Beginner Mistakes
Panic selling: When the market drops 10%, everyone panics. Don’t. This is normal volatility. The market goes up and down every day.
Chasing hot stocks: If you’re hearing about a stock from friends or social media, it’s probably too late. By the time retail investors know about something, smart money has usually already priced it in.
Holding losing positions forever: There’s a difference between long-term investing and stubbornness. If your thesis for buying a stock is wrong—say, the company’s fundamentals have deteriorated—sell it. Don’t just hope it comes back.
Tax Considerations
In the UK, you get a £3,000 annual exempt amount for capital gains. In Australia, shares held over 12 months qualify for a 50% discount on capital gains tax. Check your local rules—tax treatment varies significantly by country.
The Bottom Line
Investing in shares is one of the most reliable ways to build wealth over time, but it requires patience and discipline. Start with index funds, invest regularly, ignore short-term noise, and don’t touch money you’ll need soon.
If you can do that consistently for 10 or 20 years, you’ll likely be in a much better position than most people who try to time the market or pick individual stocks.