The fundamental difference between "luxury market" behaviour and "normal" behaviour is that the former is far more demanding and perfectionist. At this level, it is the fine-tuned attention paid to detail which makes all the difference. However a certain expertise is needed, as the details which are important vary according to the culture one is dealing with.
2 days in English or in French, 1 day for the audit and 1 day for customising
Anyone working in the luxury services and products field