I have always said that everyone is in sales. Maybe you don't hold the title of salesperson, but if the business you are in requires you to deal with people, you, my friend, are in sales.
I've been selling things all my life. I sold wrestling for a long time. I sold the talent and sold the matches.
I think basically an actor is a salesman.
The only pressure that you use in a professional selling presentation is the presence of silence after the closing question.
True professional selling is simply sharing enthusiasm.
A literary agent is nothing but a cheap salesman (or woman); while a writer is a cheap salesman (or woman) who also has to actually write the books.
Salespeople are in the decision business. Their livelihood depends on the decisions of others.