You would be hard pressed to find an Australian who doesn't own a credit card these days. With each credit card comes varying interest rates, fees, features and reward programs, so you have plenty of options available, it's just a matter of sifting through the choices.
The difference between each credit card is dramatic, rates can start off very low for credit cards that offer introductory rates for a certain time and then increase after the honeymoon period ends. Credit card rates can also be very high because it offers special features such as reward points or frequent flyer miles. Some financial institutions offer a discount on credit card rates if you sign up for a card with your home loan. Make sure you consider credit card rates when comparing cards to make sure you find the best card to suit your needs.