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Which credit card should you use at Costco, Walmart, Amazon, and other major Canadian retailers.

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Playbook
The Costco Canada Rewards Playbook
Costco Canada is Mastercard-only in store. Here's the full strategy to earn the most on Costco — and everywhere else your money goes.
Updated July 20, 2026· 9 min read

Which Credit Card Should I Use at Walmart Canada?
Walmart accepts Visa, Mastercard, and Amex — so use the card that earns the most on groceries or general retail.
Updated July 20, 2026 · 4 min read
Which Credit Card Should I Use at Amazon.ca?
Amazon accepts Visa, Mastercard, and Amex. The best card depends on whether Amazon codes as retail, everyday, or a bonus category on your wallet.
Updated July 20, 2026 · 4 min read
Which Credit Card Should I Use at Home Depot Canada?
Home Depot codes as 'home improvement' — a category most Canadian cards don't accelerate. The right pick depends on volume.
Updated July 20, 2026 · 5 min read
Which Credit Card Should I Use at Canadian Tire?
Canadian Tire's Triangle Mastercard earns big CT Money, but flexible-points cards often win once you factor in redemption value.
Updated July 20, 2026 · 5 min read
Which Credit Card Should I Use at Shoppers Drug Mart?
Shoppers Drug Mart earns PC Optimum points automatically. The right credit card layered on top can double your effective return.
Updated July 20, 2026 · 4 min read

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