Hey Mate,
The first rule to acheiving something on the web is having something unique and aspiring, a service that someone will intend to use.
I think you have a very marketable idea and the design of your site is letting you down, i beleive that this may be the only reason, apart from the fact that your a little overzealous on the pricing, but that is easily fixed.
Now what i would do is sit down with a notepad and pen and completly re-think the idea, from the site design right down to the treatment of customers and designated email addresses, basically you need all the elements that make you look professional from a customers viewpoint.
If you would like. I can consult with you via MSN and we can work on a site design that would best suit the cause of your business. I am willing to do this service for free and allow your business to succeed in the web world.
Kind Regards and Let me Know your response via PM
Nick
CEO Xeter Design and Development.