Should I set fence posts in dirt, gravel, crushed rock, or concrete?
e.g. A post and rail setup is light weight and probably does not need concrete to keep it sturdy. Don't skip the gravel. This provides drainage to prevent rotting. ... putting some crushed stone around it to keep it straight; then drill holes on an angle on two 90 degree sides of the post and drive 3 foot long pieces of rebar through the ground ...