The five best-selling radar detectors on Amazon are also among the best on the market in general. Amazon is great for researching important purchases like radar detectors, but where will you actually get the best price? Is it better to buy from Amazon or straight from the manufacturer? What about other retailers like Best Buy or Crutchfield? In this video, we talk about where you can get the best deal on your next radar detector. The links to each unit mentioned in this video are listed below.