What are the benefits of getting the US charge card. For $100 spend and wanting to transfer to most airlines at 2:1 in Australia and 1:1 for the US cards:
AU: $100x2.25/2 = 112 points
US: $100/0.67x1 = 67 points
I'm lucky that my charge only costs me $1,200 that is basically all tax deductible anyway. What else am I missing?