by 20418:
Do not go to buyers with questions. The first example ("you still do not have it") could look, look and choose. You scared him.
2) Pricing categories three years ago, say... So the wages of people have not increased during this time. Many manufacturers and sellers understand this and set adequate prices. You probably do not. And if a person 3 years ago could not buy a phone for 7-8 thousand, he will not buy it now - more money was spent on food.