Review Joomla/Virtue Mart site for functionality

I need a Joomla expert who's worked with Virtue Mart to go over my site with me, and make sure that account registration and sales capture is working correctly. Here's a list of what's required: -Make sure that Create Account is working correctly -Add sales tax and shipping to 2 products in Virtue Mart -Add special pricing offer for 2 products to Virtue Mart -Show me how to review Virtue Mart to make sure that it's capturing sales correctly -Show me how to make manual adjustments to Virtue Mart if necessary -Show me how to edit product copy in Virtue Mart I would like to begin this project immediately.