How much is your budget? How much is your target price? How much is MSRP? Work on those number, and sit in their office with a smile. Give them your cell number. Possibly a few days later you get an OK.
When you have cash, you have power these days! Especially in January, February after the spending season! You know, cash is King now! Dealer might want to get rid of the inventory parked in the parking lot. Get your fingers crossed.