iRobot's poop-detecting Roomba j7 is at an all-time low price right now

Some of the most advanced Roomba robot vacuums are on sale right now. Wellbots has the poop-detecting iRobot Roomba j7 for an all-time low price of $549. Or, you can opt for our favorite vacuum / mop hybrid, the upgraded Roomba j7 Combo, for $799. In both cases, you can enter the coupon code ENGROOMBA200 to receive the $200 discount exclusively for Engadget readers. Use code ENGROOMBA200 to get the iRobot Roomba j7 for an all-time low price.