Rules is a fundamental Drupal module that allows site builders to bring a measure of automation to their sites. Rules works hand-in-hand with the Entity API to enable developers to configure events that will be executed whenever certain conditions are met. Drupalize.Me and Nodeone offer a free series of videos called "Learning the Rules Framework," which present some basic and advanced lessons on leveraging Rules.
4.) Overview of Actions, Conditions and Events
10.) Sync Article Promotions with Articles
11.) Automatically Create Promotions
12.) Importing and Exporting Rules
13.) Debugging Rules Configuration
14.) Introducing Rules Scheduler
15.) Using Fields for Setting Evaluation Time
16.) Repeating Scheduled Events
17.) Introducing Views Bulk Operations
18.) Views Bulk Operations Settings
19.) Using Rules Components with VBO
20.) Using Rules Components with More than One Parameter
21.) Using VBO to Load a List of Objects into Rules
22.) An Overview of Flag and Rules
25.) Rules Bonus Pack: Views and CTools Integration
26.) Rules Bonus Pack: Using Rules for Presentation Altering