The Shark AI Ultra 2in1 combo machine is on sale for $400 as part of an Amazon Black Friday sale. That’s $300 off and represents a record-low price for the robot vacuum/mop.

The Roomba j5+ Combo has a few advantages over the standard j5 Combo, which is also on sale (we'll get to that in a second). The higher-end model can pinpoint no-mop zones, so you won't have to ...

The dual machine comes with 16 wash cycles and four drying cycles, and while it’s not a family-sized washer/dryer, it has enough space for seven large bath towels.