We have all been there. Whether is be at the car dealership, or the booth at Costco, it is likely that you have fallen into the high pressure sales tactic that many salespeople use. They lead you to believe this a one time deal, something you just won't get anywhere else. They also make you feel like you can't say no, because here they are, right in front of you, basically telling you that you would be stupid not to take this offer. Once this purchase has been made, the regr