In the beginning,you just want to Let people know how to find you and what you have to share.Later you'll propably want strangers to find you also.
Take your time " Rome was not built in a day" even very fast web designers build a web site in one day. The more you know about what you want,the better off you will be.As we develop web sites, we get this often : Oh rats,I should of told you about that. Web designers are not mind readers, so try to have a good idea of what you want.The best resource is to ask the right questions and prepare your content in order to be most useful to the person doing your site.