A fence gate can sag for several reasons. The issue often stems from the hardware, such as damaged or bent hinges, or loose screws that can no longer support the gate's weight. The gate frame itself might also have come out of square due to failing supports. Alternatively, the problem may not be the gate but the supporting fence post, which could be leaning or out of place. In many cases, fixing a sagging gate is as simple as tightening the hinge screws or upgrading to more robust hinges.

The lifespan of wire fencing heavily depends on factors like gauge, material, coating type, and environmental conditions. However, with proper maintenance, many wire fences last for 20 to 30 years. Coastal areas or regions with high rainfall may see reduced lifespans of 10 to 15 years due to increased corrosion risk.

Retaining walls offer more value to a home if they also divert water, prevent erosion, or help support a foundation. The ROI of a retaining wall is between 100% and 200%.

Both fences and walls can increase your home’s value, but you’ll spend significantly more on a wall than you would on a fence. A stone wall costs approximately $5,000, a retaining wall costs $6,100, and a fence costs $3,200 on average to put prices in perspective. 

Privacy fences in residential neighborhoods tend to stand between 6 and 8 feet tall, but local building code usually dictates the maximum height. Livestock fences that border large land plots range from 3 to 6 feet. Shorter, decorative fences, which are common in front yards, are around 3 feet tall, on average. Fence height also tends to vary by material, with wood fences usually sitting at 6 feet tall, and chain-link and wrought iron fences tending to sit at half that.