If you see a used car at the dealer, definitely negotiate it there too. Look the car up on CarFax and see if they acquired it at auction, then look up the avera

If you see a used car at the dealer, definitely negotiate it there too. Look the car up on CarFax and see if they acquired it at auction, then look up the average auction price for that year/model/trim and you'll have a good idea how much room they have to work with. Most dealerships make more money selling a used car than a new car so there's usually a healthy margin for you to take a piece of. Source: my dad runs a dealership and I have negotiated used car prices at other dealerships.