Special Promotions Pro

or search frequently asked questions:

How to create a rule for specific products?
How can I set up a percentage off everything?
How do I set up a percentage off one category?
How can I provide a percentage off specific products?
How can I create Fixed Amount Off promotions?
What is the difference between Conditions and Actions?
How to use "The Cheapest" action
How to set up the promo 'Buy N products, and get next same products free'?
Does this extension have all the functionality of Special Promotions module?
What is the difference between Special promotions Pro and Loyalty Program?