Costco Unadvertised Deals of the Week! 25 Apr Posted on April 25, 2016Author Nadine 0 Here are the unadvertised deals at Costco for the week in Winnipeg, from the Regent store. It varies from store to store, but most should be the same. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)