Quoted from Ericpinballfan:I get annoyed and the Haggle beat down before they even see machine.
Come see and play machine and let's talk in person. If you don't, your not a serious buyer.
I don't agree. I always negotiate a price before I waste someone's time in their home. Then, assuming there are no undisclosed issues, I go pick it up and pay that price. I personally prefer this to going to the house and wasting their time if I don't intend to pay full price to begin with.