GasBuddy.com for cheapest gas in your area.

[greyl]

http://www.gasbuddy.com/index.asp

GasBuddy.com can help you find cheap gas prices in your city. It is comprised of 170 gas price information web sites that help consumers find low gasoline prices. All web sites are operated by GasBuddy. GasBuddy has the most comprehensive listings of gas prices anywhere by far.
What

Each of GasBuddy Organization's web sites provides a live forum for consumers to post local recent low and high gasoline prices.
Why

Since gasoline prices change frequently and may vary by as much as 20 percent within only a few blocks it is important to be able locate the service station with the lowest priced fuel. GasBuddy Organization web sites allow consumers to both share information about low priced fuel with others as well as target the lowest priced stations to save at the pumps!

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[greyl]

1. kick nt

[stevietheman]

2. Is there a site like this for grocery prices?

I realize that such a site would be a lot more complex, but it seems to me it wouldn't be too hard to do what this site does for a number of staples, such as milk.