You don't want someone finding that something is seriously wrong when you're selling your home. A home inspection report will outline the main systems of the house, including the heating and central air conditioning systems. It will also include information on the interior plumbing and electrical systems. It will outline any visible insulation, walls, and ceilings, as well as the foundation and other structural components of the house.
Depending on the inspector's findings, they may be able to spot smaller issues you aren't aware of. While minor issues are easily fixed but more serious issues could turn out to be a deal-breaker. A home inspector can help to identify these issues prior to you make an offer. It is recommended to hire a professional home inspector to help you make a decision if the problem is too significant to be left to be completed by the seller.
Although there's no requirement that you must be present at the inspection, it's a good idea to observe the inspector while the process is taking place. You can ask questions about the condition and structure of the home by being present. You will be able to know what the inspector is looking for and why it's important. After the inspection, you'll be in understanding the written report. It's best to select an inspector who has a strong reputation and a high degree of training and experience.