The most important parts of a beautiful home are often the ones you cannot see. Walk into a luxury apartment, and your eyes naturally move towards the details. The marble flooring. The expansive windows. The elegant lobby. The beautifully designed kitchen. These are the things that create a first impression. But a home is not a showroom, and a first impression is not the same as long-term quality. Five years after moving in, homeowners are unlikely to spend much time admiring