The article focuses on the history of sales culture and discusses what lessons can be learned for today's sales processes. During the period 1890-1920, the focus had been on helping salespeople identify and close one transaction at a time. After this era, sales managers began using books to teach their sales teams. In the era, 1920-1945, sales department facilitated more transactions in a more methodological manner. It is stated that the sales relationship era provides ample of knowledge on client decision making for today's sales culture.