There are several fraudulent sites to be aware of, but there are free apps that are paying its shoppers big time.
Todd Gibbons has been a secret shopper for eight months and has raked in over $12,000. He uses a free app called Gigwalk.
Since its launch in May 2011, Gigwalk said more than 4 million gigs had been been performed by about 400,000 shoppers. On average, they make $10 to $15 an hour. While available gigs vary by location, there are postings for all 50 states, according to Gigwalk.Click here for more from ABC News
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