Frank Zhang thought he was winning at the PC Optimum game — stacking up points on groceries, gas and gift cards by chasing bonus offers and swiping his PC Mastercard for extra rewards.

A new report shines the light on a Loblaws shopper who recently had $43,000 worth of PC Optimum points frozen in his account before he could spend them. Frank Zhang has saved 43 million PC Optimum ...

A new report shines a light on a Loblaws shopper who recently had $43,000 worth of PC Optimum points frozen in his account before he could spend them. Frank Zhang has saved 43 million PC Optimum ...