Brookstone offers the iFetch Automatic Ball Launcher for Dogs for $115. Coupon code "GETIT" cuts that to $99.99 and bags free shipping. That's the lowest total price we could find by $14. This model is recommended for small dogs, includes three 1.5" tennis balls, and has three launch distances (10, 20 and 30 feet). It operates for 30 hours on a fully charged set of six C batteries (not included) or via the included AC wall adapter.