There are many different methods of investing.
You have traditional as well as modern types of investing. You have risky, as well as risk-less methods of investing. How you invest depends on many factors including your personal charactoristics. If you are a person who is young and energetic, you would like to make an investment which pays you more, rather than worrying about risk factor. Where as, if you are older, you may need to be more conservative with your investment strategy.
Traditionally people invested in real estate and gold. Both investments were believed to be moderatly safe. Real estate lacked the liquidity factor and gold has a lot of problem like storage. Modern investment options include forex trading, commodity trading in futures and futures trading in stocks etc.
Forex trading gives a return un-matched by any of the investments. It is mixed with high risk but a person who is well savy with the factors affecting forex market can be sitting at home under the most trying situations.
Commodity futures provides a great opportunity to make money. Gold and silver along with commodity offers a great investment option as well. You can make good income from commodity market because, it can be easier to speculate.
Stock market and mutal funds offer a lower risk/less rewarding investment opportunity. Stock markets provide the bread and butter for millions. As they say, it takes money to make money, specially in the stock market. People investing in stock market are known by three different types. Long term, short term and futures.
All of them offer a good possibility under different circumstances. Mutual funds are managed by professionals and they are relativly safe and are very good at providing long term equity growth for the investing public.
Check out articles on investing