Just because something is expensive does not mean that it is going to last forever.
Make sure you tell the associate how you are going to wear the item and ask how to care for it. The associate can also tell you the best places for repair and maintenance.
Cashmere, nappa leather and exotic skins are all expensive and need care. Pay the most attention to your handbags and shoes.
I have had all of these handbags for years and they are stored in their dust bags. I expect to have them forever and my handbag collection is the only thing that my sister wants in my will.