The kit, which comes with a razor and 14 Kirkland blades, costs $20. It's about 24% cheaper per blade than the Gillette Mach 3 razor pack Costco also sells. Mark Astrachan, an analyst at Stifel ...

Expanding its e-commerce portal to include bulk quantities of more than 100 items, Groupon (NASDAQ: GRPN) has taken on Costco (NASDAQ: COST) and Wal-Mart (NYSE: WMT) owned Sam’s Club, without the cost ...

A razor and pack of 14 Kirkland blades sells for $20, about 24% cheaper than the Gillette razors Costco also sells. Stifel Nicolaus analyst Mark Astrachan called the move "modestly negative" for ...