Teslya's Web Laws:
Business owner can be smart about business and clueless about web design and SEO - AT THE SAME TIME.
Law 2 (80/20 rule):
80% of investment goes toward securing a quality; 20% of clients understand that.
It is much easier to create a new website with a solid SEO strategy in mind,
than later add SEO to existing one (especially if it's done in Flash)
Yes, your nephew can build a website, so he can bake a wedding cake - are you willing to try?
If you want to do something right - do it yourself;
however, if you want to do it right with a first try - hire the professional.
How can poor design hurt your business? Severely!