Amazon offers the iRobot Roomba 650 Robotic Vacuum Cleaner, model no. R650020, for $299.99 with free shipping. (Best Buy offers it for the same price.) That's the lowest total price we could find by $29, although we saw it for $20 less in March. The vacuum features a 3-stage cleaning system, virtual wall, and on-board scheduling.
Best Buy offers the Amana 3.5-Cubic Foot High-Efficiency Top Load Washer, model no. NTW4605EW, for an in-cart price of $299.99. Opt for in-store pickup to avoid the $69.99 shipping charge. That's the lowest price we could find by $79. It features nine wash cycles and five temperature settings.