Marketing automation is hot. We all know that. It is one of the highest growth areas in marketing and sales technology today, and from many of the top analysts is expected to continue that way for at least the next 3 years. It is getting added to many company’s budgets as a line item for the first time. But what number should a company place in that box? Obviously, companies want to spend the least amount of money possible while still getting maximum return on their investment.