Well, for WYSIWYG editors, Dreamweaver is the best imo. A good free one is Nvu.
If you want a good looking site, but you are not capable of doing it yourself, try looking at some free templates. This is not a route that I recommend, but if you are not good at designing and don't want to pay thousands for a design, its you best bet.
I'll post some sites in a few minutes.
EDIT: Here are some good sites:
Try to alter the template so it does not look like you just threw in some text. Put some effort into the design. It is representing you dad's business after all.
Just out of curiosity, what is this business your dad is starting?