Why? I would expect them to count the money in the register, find it is off by $9 compared to what their computer says should be in the register, and then belie

Why? I would expect them to count the money in the register, find it is off by $9 compared to what their computer says should be in the register, and then believe your story. This is a contrived example though. Say you buy something on homedepot.com and they never ship it to you and keep your money? Would you still expect to be laughed at if you call up their customer service and explain?