By choosing a solar contractor that doesn't subcontract out the work, property owners have only one company responsible for the job. It also means less people to pay for the same work. When you, the property owner, enter into an agreement with a contractor they oftentimes bring that contract to an actual installation company. Since everyone wants to get paid, they will either charge more than an A-to-Z company or worse, they will use cheaper, worse quality equipment for the installation. A badly installed solar panel system will not last as long and it can turn into a safety risk. Learn more about the do's and don'ts on installing a long lasting system in another article.