Costco is warning their shoppers of a coupon scam.

I thought the days of fake coupons online had ended- or at least people believing they were real and sharing them was. Of course, during the past few days in November 2019, I've learned I was very wrong.

I've had at least 20 friends on Facebook share a coupon claiming that Costco, a members-only warehouse shopping store, was giving them $75 to spend in stores. Since then, I've also seen other old coupon claims come back into the rotation of social media, like coupons offering free Dunkin' Donuts. The good news is, if you're in southern Idaho you likely won't fall for that one. That's mainly because the nearest Dunkin' is hundreds of miles from us.

The good news is Costco has come forward and let people know the coupon is fake.

If you're ever wondering if a deal is too good to be true, I have a few tips for you:

-See what the website is it's from. If it isn't directly from the retailer, it's likely that it's too good to be true.

-If it's a post online from a claimed business, make sure it's legitimate and not a fake page. The easiest way to confirm this is by seeing if they have a blue or gray checkmark to note that they're verified.

-Avoid coupons unless they come to your door or you receive it from the retailer while in stores.

Also, another good suggestion is to comment on your friend's post if you know the coupon is fake and let them know. There's a chance they didn't realize it was a scam and that's why they're sharing it with all their friends.

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