Designing the look and feel of the email is an important but tricky process. The choice of images and text must reflect the demographic that is being marketed to. The email needs to grab the reader's attention and draw them into the details of the sales pitch as quickly and succinctly as possible. If the email is confusing or boring, readers are likely to delete it before reading too far into it. All of that effort is then wasted.
Also, another reason why this kind of marketing is important for any business and should not be ignored and forgotten is that it is very inexpensive. You can incorporate it into any kind of marketing plan that your business might have, without having any additional costs. This way, if you get anything from email marketing, you will, basically, get something for nothing. Creating profit, without spending any money, is something that every serious business will take into consideration.