Just because a home is relatively new doesn't mean that it's perfect. Homes are built by humans, and humans tend to make mistakes. Even homes built to the highest standards can have problems due to material defects or simply human error. Some problems are immediately obvious, while others require a trained eye. Some hidden or minor issues can develop into major expenses down the road.
A home warranty inspection is a full home inspection performed shortly before your builder's warranty ends. Not only will you get a clear view of your home's current status, but you'll also be able to submit many of the issues to your builder to be covered under warranty.
There can be any number of issues in a relatively new home. Some of these are obvious, while others are hidden or may lead to major problems later on. Some mistakes are more frequent than others, but here are a few examples: