Forum Moderators: buckworks
Prepare all the 'negatives' and risks involved in you buying the goods.
Anticipate all the 'positives' that he might throw back, and be prepared with an rational defense that limits their value.
You are now ready to negotiate - you have all the factors in the equation and you know the min and max prices that can work.
The most important rule is 'don't talk money first'. If you can, make sure that he is the first one to mention a sum of money - he might go lower than you thought, no point in throwing money away.
During the negotiation, make sure that you get all your negatives mentioned at some stage or other and that you beat off his positives.
If you really have to quote money first, start with your prepared minimum, and let him beat you up.
Hope this helps
...and good luck
If it it stil makes sense to buy after this - then buy. If not, or if it is marginal, go back and tell him no deal at that price. There is always a chance that he is just negotiating hard and might still back down.