According to Consumer Reports, if you're in the market for LED lightbulbs.  LEDs are usually very expensive, but after 3,000 hours of testing, Consumer Reports found several from Walmart that are cheap and really good.

For example, the Great Value 60 watt equivalent, A-19.  Use it three hours per day, and it should last about 22 years.

Another good deal is Wild Oats organic food.  Consumer Reports compared prices for pantry staples such as ketchup, beans, marinara sauce, and creamy peanut butter.

Walmart's prices for organics were cheaper than local supermarkets for everything Consumer Reports looked at, often 50% cheaper.

Consumer Report:  What's Worth Buying at Walmart, WILX TV 10 with more!