When you buy through our links, we may earn a commission. Learn more› By Dave Gershgorn Dave Gershgorn is a writer covering monitors, laptops, and tablets. He is a certified display calibrator ...
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The least expensive by far, surprisingly, was a 42-Inch LCD TV which they found only cost 4c to use for an hour. If you can't find much to help change your bill on this list however, don't worry - ...