Are you sure that you want to spend hundreds and thousands of dollars paying somebody to build your site? Personally I've created my online store all by myself. There're plenty of websites builders, most of them are really easy in use and, furthermore, some of them are even free. I would suggest you to choose the perfect one for you from this list
http://www.beautifullife.info/web-design/10-best-ecommerce-builders/ and start making a great site. You know better what do you want, aren't you? So.. Relax and just be creative! It's actually very amusing
I enjoyed the process pretty much.
