Great Savings at your local Costco warehouse location in Canada. Costco Canada has released now the new Black Friday 2017 instant discount handouts! These handouts are available at all Costco Wholesale warehouses in British Columbia, Alberta, Saskatchewan and Manitoba. Only Costco Canada members may use these instant savings handouts. These new Costco Canada instant savings handouts for British Columbia, Alberta, Saskatchewan and Manitoba are valid from today, Friday, November 24, 2017 until Sunday, November 26, 2017, some of these coupons are valid until December 8, 2017.