The Complexities Of High-Volume And Growth It’s one thing for a single person to send out emails and generate responses in a week or a month. It’s another to create a regular stream of opportunities that come in from that person and a whole team year after year. Your first email campaign is just a first step of a much longer journey. Much of the Cold Calling 2.0 content in this book (and outside of this book) relates to ensuring your system predictably generates results over years, and with almost any kind of salesperson or size of team.