Improve E-Commerce website CMS / Admin Panel

Avg Bid (USD)
Project Budget (USD)
$100 - $200

Project Description:
Need Admin Panel fixed, or better back-end system for managing orders, inventory, payments, etc. I have had the following vworkers work on this website:
1. dannywareham
2. intellicom
3. paulmartin84
They have improved my site, but it is still not good enough. Coders have told me the coding for my site is a bit messy. I know there are many pre-built templates for handling this. Which one do,,, or any other store use?

For example, major problem of my admin panel:
-Adding components to system customizations is a nightmare. I currently add each component with description and picture individually and it takes forever. I need a database of components so I can just check the components I would like to offer when creating a new system because many component options are the same for every system (hard drive, sound card, speakers, etc.)
-I would like to be able to edit automatic emails for order confirmations, as well as the option to set a 30 day email asking for product feedback with a link to product feedback page and testimonial page. I do this manually right now.

Also, not in admin panel:
-Shipping option should not be a tab, all the shipping options should appear right above the "add to cart" button on each product page.
-I need to have combo discount feature. For example, white case is $100 and white speaker is $150. Customer is viewing white case, but on the bottom of page it says white speakers + white case = $250 with a line crossing it, now $220! It should appear on the bottom of the white speakers page as well.

Skills required:
Data Entry, Electronics, Engineering, Order Processing, Sales, Software Architecture, Software Testing
About the employer:
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