This is a pretty generic question. I've gathered a number of internet quotes for the car I'm looking at including OTD quotes - some of which are very enticing. Some are so good that I blush. I've not mentioned to any of the dealers that I have a vehicle I want to trade in, but none of them has asked, either. They, too, may view new car and trade-in as separate deals, which is how I've approached the matter. I've checked Kelley Blue Book and have an idea how much I might get for the vehicle -- and that ties in to how much cash I expect to spend on the car. I don't want to sell it via AutoTrader, etc. I have yet to visit a dealer or even drive the new car but some of the internet sales people are pressing me to make a commitment on the new car. (1) I don't know if an email commitment is legally binding, but (2) I am unsure how to bring the trade-in into the discussion. Just arriving in the vehicle will be enough to signal "ah, this is a trade-in" but could that scotch the dealer's offer on the new car? How should I proceed?