Highly-customised osCommerce site needs a guru for even more by coffeestuff

We have a highly-customised osCommerce online shop. Our products have up to 3 attributes each and we have an order maker/editor in admin. We would like to add some more functions, such as: 1. Arrange "bundled product" discounts as per cent proportion or dollar amount 2... (Budget: $750-1500, Jobs: CSS, Javascript, OSCommerce, PHP, SQL)
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