usertesting.com

 UserTesting.com is a website dedicated to finding your website’s biggest problems in one hour, and then providing you with the information and feedback you need to improve your site’s usability.
UserTesting.com gives you the ability to create a test for your website and then have real people take the test and give you feedback via video recording, while they are using the site. You can also ask them follow up questions for further information.
For each participant you would like to test, you must pay $39, with a current coupon of $30 off orders over $100 for new clients. Also, if you are looking for extra income from home, UserTesting.com allows people to sign up as website testers.