For every $1000 spent on gas at Esso stations, you would get every 10000 PC points. [You would get 10 points for every 1 dollar spent]. For every 10000 points, you can redeem $10. So for every $1000 you spent on gas, you are going to get $10 back. Thus the ratio of earning cash back:… Continue reading PC Optimum v.s. Esso Extra at the Gas Pump; Which one is worth it?