It is very important to know what you want on the site in terms of content. From the numerous pricing models available, it can be seen that a static site with simple text and graphics will be least expensive. The more time you can invest researching your content requirements, and defining the site's look and feel, the more money you will ultimately save.
It is important to monitor the site during its design and construction, and to inform the developer as soon as possible of any changes required. Changes can become quite expensive if they are held off until further along the development process.
One strategy used by many developers, which has proved successful and assists client participation, is to allocate various stages of the site construction to be signed off by the client as they are completed. For example:
Look and feel (colours, navigation controls, etc.)Content by section