Tired of updating prices one to one... with bulk update prices, you can setting a flat price for a product or a group of products in a few.

- you can write a percentage to increment the selling price or put flat price amount for all of products selected.
- You can select base price for update: before product price o cost product price

To play with Bulk Update Prices 2.x

In the admin section go Catalog -> Bulk Update Prices

This ext for OC 1.5.x

This ext for OC 2.x