Customer acquisition cost (CAC) is the amount of money a company spends to get a new customer. It helps measure the return on investment of efforts to grow their clientele. CAC is calculated by adding the costs associated with converting prospects into customers (marketing, advertising, sales personnel, and more) and dividing that amount by the number of customers acquired.

Building Your Business with an Opt-in List
Before revealing the secrets of the trades, here are myths and fallacies that need to be cleared before one indulges into building an opt-in list.