^ Matthews, H. Scott; Eric Williams (28 February 2012). "Telework Adoption and Energy Use in Building and Transport Sectors in the United States and Japan". J. Infrastruct. Syst. American Society of Civil Engineers. SPECIAL ISSUE: SUSTAINABILITY OF TRANSPORTATION AND OTHER INFRASTRUCTURE SYSTEMS (11): 21–30. doi:10.1061/(ASCE)1076-0342(2005)11:1(21). ISSN 1076-0342.
How to Get It: Begin with sites like UserTesting.com, YouEye.com and Userlytics.com. Register with multiple companies for opportunities to test as many websites as possible. Once you're in the system, you'll be emailed when testers are needed, and if you're one of the first to respond, expect to spend 15 to 20 minutes completing the test. Many sites require a microphone and/or webcam, which are built into most laptops—but if you need to buy one, they aren't expensive. The tester sites typically pay within a week or two via PayPal.

Brie Weiler Reynolds is the Senior Career Specialist at FlexJobs, the award-winning site for telecommuting, flexible schedule, and freelance job listings. She aims to provide practical information and resources to help people navigate the flexible job market to find jobs that fit their lives. With a background in human resources and career advising, Brie has 12 years experience working with job seekers and employers, and she offers career, hiring, and work-life balance advice through the FlexJobs Blog and media outlets like Fast Company, Forbes, and NBC News.
How much will you make? I think my best month with Google AdSense was almost $5,000 over the last ten years. That amazing month blew my mind since it was actually near the beginning of my blogging journey. When you go from making zero to $5,000 in a month, that will rock your world. For me, it also got me even more excited because I knew there were other ways to monetize.
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