I find paying it early totally unnecessary,the credit card is there for a purpose,
To use someone else's money for free as long as possible while keeping your own money in your 100% offset account to reduce interest.:D
I agree,I don't know why they say 44 days interest free:(
Just make sure you pay it a day or two before it is due,taking into account the time traveling between accounts:)
I fell for it a few years ago as well