This contribution makes it easy to apply a price change to a range of products. You can:
# Increase or decrease prices
# By a fixed amount or by a percentage
# For a single manufacturer or for all products
It is integrated into the admin panel.
This contribution has been tested with osCommerce 2.2 MS2. It should be fairly simple to adapt to other versions.
Please post support questions or feature requests in the Contribution Support Forum.