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"You get 2% back on travel," one employee said. "Go to Hawaii. Make money."
- A Costco membership's primary benefit is access to the warehouse chain's stores.
- Business Insider reached out to 49 Costco employees to get their insight on some of Costco's more subtle perks.
- From Kirkland products to discounted vacations, here are a few surprising deals you can snag at Costco.
- Visit Business Insider's homepage for more stories.
A Costco membership has its perks.
Some, like its delicious and cheap food court, are pretty obvious. But others aren't as well-publicized.
Business Insider has spoken to 49 current and former Costco employees about some of the hidden benefits of the membership.
Read more: Someone splashed out $400,000 on a diamond ring at Costco
They discussed perks like cash-back offerings, the upside of the Kirkland brand, and a number of surprising products you can buy at Costco.
Here's what they had to say: