Provide advice on how to accomplish the following goal. Give ONLY the advice, no other words or explanation.
For example:

Answer: <advice, as short as possible; a single sentence!>.

Goal: To secure a border marking cedar pole into the ground,
drill a 1/2 inch hole into the pole and hammer a 1/2 inch rebar vertically through the hole into the ground.
Use a sledgehammer to drive the cedar pole deep into the ground.