They are right, your question is too broad to accurately answer.
However they are also turning away a possible paying customer by being horses asses in a forum. Tact and Tone people, the guy doesn't know, the only stupid question is the one not asked.
Visit my site
www.thevisualfoundry.com, look around and see if I can help you with design. You can click on "request a quote" or "client login" fill out the form and it will auto email to me. make sure to put as much information in the form as possible. Its possible if it is a fairly simple design it may only cost you around 150 dollars.
anyway like I said. Look at my site and see if i can help you.