This ModernHome Motion-Activated Stainless Steel Trashcan Set, originally $119.99, is now $59.99 at Groupon Goods. Plus, shipping is free making this the best price we found by at least $11. This set includes one 11- and one 3-gallon stainless-steel garbage can with motion-activated sensors that automatically open and close. They work with any brand of garbage bags. Each trashcan runs on four AA batteries (not included). Sales tax is charged in most states.