iRobot Roomba 415 with Bonus Charging Dock and Filter Pack for $144.99 Shipped

iRobot Roomba 415 with Bonus Charging Dock and Filter Pack for $139.99 plus $5 shipping, which comes to a total of $144.99 shipped.  Here is a screenshot for your reference.  Amazon sells iRobot Roomba for $199 and with the bonus charging dock and filter pack, the whole ensemble goes for over $270.