Rich Schefren hammers home the concept of Customer Value in his Business Growth System. He really needed to get this principle right because long before he was an Internet business guru, he had physical real world businesses (an hypnosis company and a boutique fashion store in Manhattan, New York).
Technology and software make these menial tasks a lot easier and saves you the money you would have had to spend on manpower to handle these tasks. It also decreases the margin of human error in your data so that you can have accurate information at your disposal.

When it comes to the initial costs you will have, it all depends on what you’re selling. You will need to take into account not only the costs for your business, but also side costs like resources, equipment, domain name and website, a potential team of employees, and marketing. On average, it will cost anywhere from $4000 to $10.000.
In terms of page layout and aesthetics, these types of e-zines resemble traditional magazines. Additionally, there are email based e-zines in which subscribers receive an e-zine regularly via email. These e-zines are typically graphically sparse and dense in content. They are typically quite topical in nature and consist of three or four text-based articles on the subject. Both forms of e-zines offer chances for banner advertising, sponsorship, and subscriptions.