Some people love cars and know what an automobile is worth.
You will be wasting your money if you refrain from negotiating the price lower than sticker. You must not need to pay the advertised price. Sticker prices are intentionally marked up so that the dealer has room to negotiate.
Know what kind of truck or car you are looking for before stepping foot into a dealership. Research all of you options prior to shopping so you can figure out what is best for your living and financial situation. You will also be able to find a car you want to pay for a vehicle.