Timing your routine supermarket visits is just as critical as clipping digital coupons when you want to save money. Walking into a massive retail warehouse during peak weekend hours guarantees long checkout lines and high stress. Furthermore, shopping during the wrong shift means missing out on fresh markdowns and clearance inventory. Each major retail corporation operates on a highly specific weekly schedule for restocking shelves and slashing prices. Let’s reveal the absolute best day of the week to shop at Costco, Sam’s Club, and Walmart.