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A chain link fence typically lasts between 15 and 20 years, but with proper maintenance, it can last for 30 years or more. To preserve the fence, it's important to keep the mesh wire tight, which can be done with a come-along tool every 6 to 12 months. Investing in a fence with a galvanized, powder-coated, or vinyl-coated finish can increase its lifespan to 20 to 30 years and reduce maintenance needs, as these coatings provide extra protection against the elements.

You shouldn’t try to touch the electric fence, as it will shock you. Typically, the shock is low enough to be uncomfortable to humans or animals that come into contact with the fence. But an electric fence with high voltage, or a faulty fence, could shock you and cause serious injuries when touched.

Removing fence posts that are set in concrete is something you can't do by hand. You will need an excavator, a strong post-puller, or a jackhammer. If you plan on recycling the concrete base, you may be able to cut the post out with a jackhammer and then set the new post in the existing base. However, it's usually better to remove both the fence post and concrete together. Due to the weight of concrete, you will need a hydraulic removal tool.

In most cases, you will need a building permit to put up a vinyl fence, especially if the fence is sitting on or close to your property line. You can ask your local building department or  fence installation company if your fence project will require a permit. If so, you can expect it to cost between $20 and $60. Your fence installer should pull the permit for you. Building without a permit could eventually require you to pay again to remove the fence and reinstall it after getting the job approved.