Make Extra Money: Become a Mystery Shopper

Market Force Information, Inc. is the leading customer experience information and insights partner for multi-location businesses. Basically you are a secret shopper; you get paid to do the things you normally do and just report back your observations. If you are interested you can read more about Market Force here. To apply visit here. There are many different assignments to choose from.
For more information on making extra money; visit these great blogs:

• Moms by Heart: Surveys 101
• Money Saving Mom: Income-Earning Ideas

I will continue to add to this list as I find new things.