I'm aware that the shelf brackets have a 250 lb. capacity rating and the Toggler brand drywall anchors have a 200 lb. capacity rating. I plan on using my shelf for books and small objects. It's safe to assume that this load will not cause my shelf to fail.
Step 1: Tools and Materials
Step 2: Layout and Planning Part 1
Step 5: Planning and Layout Part 4
I place a mark along my level line to represent the end of my shelf. In my case, at 36".