You probably assumed that stores weren't giving away free samples just to be nice. However, the real mechanics of how free samples make you buy more stuff are pretty subtle and interesting. No one ...

One of the many draws of Costco is the fact that you can get free samples. Here is some insider information, harvested from across the internet.

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One of the best parts about shopping at Costco is the free samples. The wholesaler offers them in its frozen food section, bakery, prepared foods section and pantry snacks area. Workers affiliated ...