If you dig post holes the right way, it'll save you time and effort in the end. Posthole digging tools If you have more than a couple of postholes to dig, don't stop at a shovel and a clamshell ...

Dig the Holes James Carey/Ash Bartholomew My plan was to dig each hole, set the post, then measure eight feet (the length of each fence panel) from the center of the post, and dig the next hole.