Cut the cord: New HD antennas bring your monthly TV bill back to $0

New antennas from Audiovox, Antennas Direct, and Aereo outgrew their rabbit-ear appearances and picked up several interesting new traits along the way.

Over-the-air television offers more than you might think. After the digital TV conversion in 2009, several networks switched to high-definition broadcasts. You need an antenna that was built in the past few years (and an HD TV) to take advantage of the sharp image quality, but the service is still free. And some areas now get more than 40 over-the-air channels. Indoor antennas now come in a range of shapes and prices.