Originally Posted by rowan

When I first got my card my bank was constantly reminding me that I could use my credit card to buy everything without any extra charges; if I chose to use electronic card debit instead then I'd be paying per transaction. They knew I paid off the balance in full each month, but they'd still be making the $ from merchant fees.

Doesn't work so well these days because Australian retailers are now legally permitted to add a surcharge for CC transactions.