There are clients who think they 'know' how it works to build that site of theirs. The more they think they 'know', the less they do. How to recognize such a client from the very beginning:

1. He will slap a PDF file at you and demand a 'perfect' reproduction of the design in the PDF over the web site. Anyone having an idea about web design and Content Management Systems, or CMS, will smile at that demand.

2. He will send you color data in CMYK.

3. He will force you to stack in there, over (almost, at best) every 'sub-page' that lorem ipsum text ad nauseum. Like no one but you are called to fill and fix the lorem ipsum, align them, bold them and craft few more paragraphs under fugia nullat pariatur...