In September, Costco raised the cost of its membership fees after keeping them steady for more than seven years. That took the cost of a Gold Star membership from $60 a year to $65, while the cost of an Executive membership rose from $120 to $130.

Costco has been clamping down shoppers using membership cards that don't belong to them. There are still ways to shop without a membership: online, with a gift card, or as a member's guest. The extra charges and hassle of workarounds can quickly add up to more than the annual fee,

Detailed price information for Costco Wholesale (COST-Q) from The Globe and Mail including charting and trades.