At the initial stages of Dan Kennedy life he was employed as a sales man and the notable point is this is the first and last time of Dan being hired by some others because he established his own kingdom in business marketing with is unlimited efficiency. Dan says the experience he gained during those days of work is very valuable. Dan very well understood the leading concepts behind a good sales approach. The nature of the job gave him a lot of exposure to the marketing field and more importantly gave solid time for experimenting his own principles in sales managing. With this experience he has written a book named”Sales success in new economy”. In this he explains the fluctuations in the sales approach from the contemporary period to the modern era. HE tells is experience in the field of sales and service and the modifications he added to derive some new methodologies.