Those sample stations dotted around Costco drive sales and improve the overall shopping experience, but there's something you should know about the employees.

Add Yahoo as a preferred source to see more of our stories on Google. A woman offers a sample at a Costco store - Tim Boyle/Getty Images If the best things in life are free, then a trip to Costco can ...

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 ...