My family and I have recently gone off grid to build our homestead. We are currently living in some temporary structures while we build our home. In order to provide us with enough power to run our refrigerator, LED lights, computer and internet I built a medium sized solar system. I knew nothing about solar power a year ago and spent tons of time on the internet doing research on how to build a system correctly. From learning and experience, here is a video I made that should help you build your solar system efficiently and so it makes sense. So much of the information out there is incomplete in it's presentation or is too confusing. I hope this helps.
https://youtu.be/XlK-B-CgUwY