Costco is offering a new benefit to members to help the warehouse chain compete with Amazon: 20% off select online purchases.

But it is possible to shop at Costco without a membership, with some limitations. Here are the main ways to shop at the warehouse without being a card-holding member, according to Southern Living.

Most shoppers approve of the upgrade. Half of Costco’s U.S. members pay for Executive status, and they’re responsible for 73% ...

Costco is offering a new benefit to members to help the warehouse chain compete with Amazon: 20% off select online purchases.