Yes, true on all points. Many people do not recognize when they are being sold to and also when they are being manipulated to spend more. I personally will never enter a store without a list of what I need. Then as I shop if I do see something that looks worth trying, I weigh whether it is worth the price. I am the exception rather than the rule though as a shopper :) I personally do not enjoy shopping, so I like to complete my list and get out.