The Power of Burn and Dodge Tools

Here is a freebie that you can install in 5 seconds on your Photoshop instance in order to get the most out of the Burn and Dodge tools as well as properly analyze in black and white your images. 

A simple photoshop action that creates : 

The structure for a non destructive use of Burn and Dodge

The appropriate filters to put your image in black and white without losing saturation informations

Give it a spin, I'm sure you'll love it!