https://www.capitalone.ca/credit-cards/costco/
Earn cash back virtually everywhere – not just at Costco
You earn 3% on restaurant purchases, 2% on gas purchases, 0.5% on the first $3,000 you spend annually on all other purchases, and 1% after that
costco で買ったかどうかは関係なく、レストラン3%、ガソリン2%以外は、最初の3000ドルが0.5%で、それ以降が1%になるみたいです。