Long before cable and internet providers began delivering television, people could freely pull broadcast signals out of the airwaves using an antenna. If you’re still an antenna user, you can stream live TV to your devices over an internet connection with tools like Channels ($80 a year) or Tablo ($100 and up).

Roku has a fairly robust -- and free -- live TV lineup that many people aren't aware of. With hundreds of channels covering nearly any topic, it's a great choice if you're looking to save some money on streaming -- and the lineup is growing constantly. Also: Your Roku TV has 100+ free live channels - here's how to watch them (and what's available)