Why “Buy one, get one free” isn’t a great deal

For a thrifty shopper, a “Buy one, get one” (BOGO) deal can sound like the best way to get more bang for their buck. But the appeal of BOGO is why it’s hard for consumers to see it for what it is.

BOGO is meant to get you to spend more money, not less. The deal disguises the fact that, unless you already intended to buy two items, it really isn’t all that big a discount.

The Goods by Vox explains what we buy, why we buy it, and why it matters.