Regardless of what type of fence you install, fence posts are necessary to keep your fence in good shape. According to Scottsdale, Arizona fence contractors, fence posts provide support and help keep the fence upright. If the posts are too weak the fence can collapse. To ensure the posts are sturdy, Scottsdale fence companies often place concrete around the posts. If you’re looking for a security fence or any fence that needs extra support, add more posts. Depending on what material your fence is, expect to pay anywhere from $5 to $40 per fence post, with wood posts being least expensive, followed by vinyl and then metal.