ProblemSolver

[Aug 29 2004, last modified Jun 16 2006]

Car Loudspeaker (0)
Car Wheels That Go Sideways (+3, -3)
Crushed Ice Maker (+9)
Evening Delivery Service (+2)
EZ Pass Checkout with Smart Shopping Carts (+1, -3)
Negative One Cent Stamps (+4, -2)
Underground City Highway System (-2)
washing machine time since done (+7)

random, halfbakery