My roommates and I share groceries. We save about $300 a month by bulk-shopping.

Tech Insider
Three roommates are eating take-out at a kitchen island and smiling and talking.
René Morrell (not pictured) and her roommates share groceries and have figured out a system that works for them.

AleksandarNakic/Getty Images

6 myths about Costco that aren't true, according to members who shop there weekly

Tech Insider
Costco Wholesale.
Costco Wholesale.

Tim Boyle/Getty Images

Subscribe to bulk-shopping