We require work on our already-customised osCommerce site. We have products listed with up to three attributes and wish to:



Arrange "bundled product" discounts as per cent proportion or dollar amount


Correctly monitor inventory considering product attributes and bundles


Apply a special case bundled discount in one category: purchase
separate components within a year and still receive a dollar amount
discount


Fix a bug in add-on code to correctly calculate package weight/price for manual orders


Apply wholesale discount options for manual orders (per item in addition to the already-installed total discount)


Create quote option for manual orders


Limit order editing privileges per admin and/or per order status