Cool then you should be good to go. Tesla has cookie cutter PV down to a hyper-speed science. I wouldn't be surprised if you had the system running in a month.
But, you should look into California's NEM 2.0 ... especially if you have an EV or are planning to get an EV. With PG&E up here, they basically punish people for getting solar-only and not getting Powerwall to influence the time of use. SCE may be better but I wouldn't count on it.