Bacon—the unofficial mascot of breakfast and brunch. While Costco's Kirkland Signature bacon gets a lot of hype, Sam’s Club has been quietly winning the bacon battle with better pricing and surprising consistency. A two-pack of Member’s Mark hickory-smoked bacon regularly undercuts Costco by $2 to $4, depending on your location.

Sam’s Club is a membership-only retailer that stocks a huge number of products in just about every category you can think of. Everything there is picked for its quality, which means that you can rest easy knowing that you’re getting the good stuff.

Having a warehouse chain membership is helpful for buying discount groceries. When it comes to senior discounts, here's how Sam's Club beats Costco.