Almost 4yrs in RETAIL, to be more precise RETAIL STORE OPERATIONS, to be even more precise APPAREL STORE OPERATIONS...but still I feel there is so much to learn in even this precised segment. And I am sure that even great  people who claim to know it all have more than enough to learn for themselves.
The whole concept of Retail revolves around Consumer Buying Behavior and behaviors keep on changing and so does the approach of Retail to approach them.