When it comes to solar panel systems, there is no one-size-fits-all solution. Wherever you buy your solar panels from or choose to contract for installation, it will depend on your personal preferences, how you want the system to be financed, and the type of system you want to install.
You can buy from wholesale resellers, installation companies (like FREEDOM SOLAR), Amazon solar kits, and EnergySage.
Yes, you might save a little money buying a DIY kit. But what you will learn the hard way is permit fees, engineering plans, site plans, and price of an installation will quickly take from those savings. Not to mention product warranties are not excellent if a licensed installer does not install the system, and you would not have a quality guarantee to help with any repairs.