Hi there,
i completely want through the doc you have attached and analysed all your requirements.
Which payment gateway would you like to get integrated?
I will help you with 2 completely designs, you can choose one and accordingly will develop your website.
Sorting will be done according to the field levels and the data entered.
I am a highly professional web developer, having a consistent rich experience of 12 years, worked with server side scripting languages like PHP and C#, Framework like Codeignitor, Cake PHP, Zend, Yii & Others, also i worked with wordpress, joomla, magento and others, My area of expertise is API integration, Component/module/plugin creation and modification, Web Design, Web Development & Search Engine Optimization [SEO], HTML 5.0 canvas. javascript and JQuery.
Being an experienced web developer, I myself feel capable in helping you with a quality work for your project, So I'd be glad if we can have further discussion about your this project, feel free to reach me anytime.
My skypeID is live:jay.vyas_4.
Thanks and Kindest regards.