Purchases on certain items, like tobacco, lottery tickets and prescriptions at stores, do not earn you PC Optimum Points.

Source: https://www.moneysense.ca/spend/the-best-store-credit-cards-in-canada/

When you’re strolling the aisles at participating stores, keep an eye out for the PC Optimum logo.

Source: https://www.moneysense.ca/spend/pc-financial-mastercard-credit-cards-breakdown/

You can redeem PC Optimum points at Loblaw-affiliated stores, which means you can put a major dent in your everyday bills.

Source: https://www.moneysense.ca/spend/credit-cards/best-student-credit-cards-in-canada/