When I started this thread I only meant to show the idiotic statements that sales people will throw out to get you to buy like "it can tow the space shuttle". Having had a brother-in-law that owned a Chrysler store I have seen first hand how unscrupulous dealers can be. There salespeople get far more training on how to separate you from your money than training on the products.
When I was first approached by the salesman I let him know why I was there. He chose to waste his time following me around and annoying me. As has been said, the dealers invite you to their lots. Having bought dozens of vehicles over the years, cars, trucks, boats, motorcycles and trailers I know how "I" shop for a vehicle. I can't say that I have ever been "sold" in that a salesman has enticed me to buy. I do my research in person, online and by talking to others. When I decide what I want it is my opinion that if the deal can't be completed in 30 minutes it won't get done. I'll leave.
A few years ago I went into an Infiniti store buy my wife a new car. I knew she would be home in 40 minutes and I wanted the car in the garage when she got home. I knew what I wanted went to the dealer, made the trade, and was on my way home in 20 minutes.
I recently attempted to buy a Lexus. My wife and I went there, test drove the car and liked it. They took my key and went to appraise my trade in. I made them an offer which they didn't take. The sales manager then comes in trying to brow-beat me wanting to know how I came up with my number. That didn't go well for him. I explained to him that I made an offer and his only answer needed to be yes or no. He wanted to get into a debate and didn't want to return my car key so we could leave. I was at my 30 minute mark then and had the salesman, who was a nice guy not have stepped in and retrieved my key things were going to get ugly quick. I can promise you, that Lexus dealer will never sell me a car.
Another one of my gripes is going on a test drive with the salesman in the car with you and he won't shut up. I've had to ask them to be quiet before. I see nothing wrong with browsing car lots. Just let the salespeople know your intentions.