I am planning to buy a car with cash this weekend - first time car shopping on my own! I've found a decent used car and scheduled a test drive with a dealership, hoping to make a purchase. They've already lowered the price for me via email/phone negotiations, and the salesperson said there's potential for further discounts after I go there in person. To be honest I am pretty happy with their quoted price as it is, so I'm fairly confident of walking out with a new (to me) ride.
What I'm confused about is how a "cash" transaction actually works, particularly if I am not certain of the final price of the car. Should I get a cashier's check for my starting offer, and withdraw cash to cover the difference for the price they've already quoted me? Don't withdraw cash, put the difference on a credit card? Get several smaller cashier's checks - e.g. if they told me 14.5 and I wanted 14, get 10k, 4 x 1k, and 500 cash? (That way if it didn't work out and I went with something cheaper I wouldn't have to go back to the bank.)
I am not totally comfortable carrying around the entire amount in bills, although I could if it really is the best option. I never carry a balance on my credit card and would pay it off immediately if used for this.