Every week, Burt and Corlew, both employed in Nashville, head to their favorite trash bins, pulling out everything from broccoli to limes, mushrooms to bell peppers, all under cover of night.

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The couple also use online groups such as FreeCycle - think Craigslist, with everything free - and a Google community group for east Nashville residents.

McCauley recently posted a want ad for a whiteboard on the Google group and had it by that afternoon.