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. The Roomba j7+ includes a bundled cleaning station and iRobot's poop detection tech. The company says the vacuum's advanced senso...