Yes, if you have the skills and are able to be working on a roof in a safe manner it is not rocket science. However, often the price a consumer can buy the equipment online is equal to the price a solar integrator can sell the equipment and provide the labor to perform the installation. So shop around online but then get a full bid from a local installer and compare. Some solar integrators, like ARE Solar, will help any customer design a solar system and assist the customer installing the equipment themselves if that is the customer’s desire. ARE Solar can provide an ala cart services for a reasonable fee that helps customers who like to do work on their own home and save money by building a solar system on their own.