This entry-level Roomba robot vacuum is on sale for $150 ahead of Black Friday

Robot vacuums can be a huge help, keeping your floors clean regularly without much extra work on your part. Black Friday deals often include some of our favorite robovacs, and this year is shaping up to be no different. iRobot's entry-level Roomba 104 Vac robot vacuum is available for 40 percent off right now, bringing it down to a record low of $150. A number of other Roombas are on sale for Black Friday, too.

In iRobot's lineup of robot vacuums, the Roomba 104 sits on the low end, adept at vacuuming up dust and hair, but without the mopping ability of its more expensive Max, Plus or Combo counterparts. The Roomba 104 Vac makes for a great first robot vacuum all the same, though, because of its four levels of powerful suction, and easy-to-use app. Like iRobot's other vacuums, the Roomba 104 maps and navigates ...