The stereotype of a successful salesperson is an extrovert who sells anything to anybody. He (or, less commonly, she) charms customers so thoroughly that they sign on the dotted line before they know what hit them.
Customers, however, don't find extroverted salespeople charming. On the contrary, most customers tune out the moment a seller looks or sounds like the stereotype.
The dislike and distrust of salespeople is nothing new; the fast-talking, backslapping salesman was a stock villain for nearly 100 years.
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