There are many types of investment options, some more complex and risky than others. Before choosing an investment, it is important to understand and be comfortable with its risk level. The most common categories of investments include:
Mutual funds and exchange traded funds are also common investment options. It is important to know what types of investments are included in a fund before you invest in it, because that mix will have an impact on your risk level.
It is also important to look at the fees that apply to your investments because they will have an impact on your return.
For a good overview of investment types, read Investments at a glance, published by the Canadian Securities Administrators.