Worst buys at the warehouse club

Warehouse clubs have thrived during the recession, as cash-strapped shoppers look to score sizable savings over the local supermarket and even discount stores. But that doesn't mean you always get the best deal at the warehouse club.

We checked prices at a Chicago Costco store, then priced those same items at nearby supermarkets, drugstores, discount stores, and online retailers to determine if the membership club always offered the best price. We found more than a few bad buys. Here are the six items that you shouldn't buy at a warehouse club: