"We had a new vinyl fence put in about a year ago," he wrote. "A week ago, the neighbours behind us put up a new six foot wood privacy ... however if it’s more than 4 inches inset the other ...

Materials, like wood, tend to be much cheaper than aluminum, vinyl or metal. You could also measure the size of your yard by its acreage, with a ⅕ acre yard having a 150-foot fence, ¼ acre ...