Costco may be more crowded on the weekends, but there are usually more samples then. How, exactly, does Costco decide on which products to give out, though?

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

Giving out samples on the street is kind of silly. Taking a little cup of urine-colored sports drink or a nasty bag of chips offers little in the way of customer generation and it usually ends up in a ...