This deal has ended.
The iRobot Looj, a gutter-cleaning robot from iRobot (makers of the Roomba Robotic Vacuum), is still on sale at Amazon for $99.99, the lowest price available anywhere. This machine rolls through your gutters on treads while its brush propeller blasts out leaves and sludge. It is usable with K-style, aluminum, copper, metal, and vinyl gutters, and cleans out 60 feet in 10 minutes. Shipping is free and there's no sales tax (except NY, KS, ND, WA).