Personal finance is a lot like physical fitness. Preet Banerjee explains the financial equivalents of what exercise and diet you need to know in order to be in top financial shape. The good news is that of all the information out there in the world of personal finance, at most you will only ever need to know about 20 percent of it. That small amount of knowledge is what will put you ahead of most Canadians. Banerjee explains in five simple rules how to think about money and focus on the 20 percent of what you really need to know to confidently take charge of your money. Preet Banerjee is a Canadian personal finance and investing expert and author of the blog WhereDoesAllMyMoneyGo.com.