Credit card category selection is the primary optimization lever for Expedia.au purchases. A All Other category card can earn 3.3%, while the best portal rate is 0.9% via Simply Best Coupons. Focus on matching your card's bonus category to Expedia.au's merchant classification.
Your card choice matters more than portal selection at Expedia.au. Sign up and add your cards to see which one earns the most here.

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