Make sure you can justify each decision you make about what services to provide and what purchases to make.
Each time you decide on a particular storyboard element, you should stop to ask exactly why you need it.

The Internet suggests to some that they can borrow ideas freely from any site. However, this is not the case. A properly implemented Web site represents an enormous amount of time and money that most companies want to protect. They do not appreciate close imitation.
Intellectual property involves the use of existing material. This includes the copyright law nd issues concerning plagiarism. Specifically, you cannot use information if your plan is to use both the content and the expression of another Web site.

If you require any type of support services, such as a help desk or online sales support, you have to consider associated costs with employing support staff . An e-commerce site is a business, and thus requires that you plan for every eventuality.