http://www.abc.net.au/news/2015-12-16/credit-card-debt-austr…
Summary for the impatient:
- You probably think you're better at paying off your credit card than you actually are 
- Banks get a greater return on credit cards than home loans 
- Banks don't cut interest rates on credit cards, even when the cash rate is low 
- Reward programs are only worth it for big spenders 
- Poorer people have nearly as much credit card debt as rich people 
- Cash payments are becoming a thing of the past 




or 7. You don't need to have a credit card