How to go about opening a Medical Marijuana store in Los Angeles County,California?

I wanted to learn more about what it would take (money wise & law wise) to open a Medical Marijuana store in Los Angeles County, California...to do everything legally without having problems with the city etc.

Thanks!

: http://alcoholdrugstreatment.info/how-to-go-about-opening-a-medical-marijuana-store-in-los-angeles-countycalifornia