I'll tell you not to move here as well, but I will be honest about why. I am a California native. Born here in 71, lived here my whole life all over So Cal. We natives don't want you all to move here because there are too damn many people here already. In addition, no one likes it when people move to their home and then start bad mouthing it. Most outa staters do it, but New Yorkers are the worst. I can't count how many I have to to go back to NY if we suck so much. None of them do, though.
And yes, it can be more expensive to live here than some other parts of the country. Unfortunately as was said, if you really want to enjoy So Cal you need to be at least middle middle class. My wife and I have the most fun when our combined incomes get above 80K. IMO if you can't make at least 40K a year, don't move to So Cal. All you'll do is work and lament the high cost of everything. (And you'll be stuck living in the hot parts.)
Phishtank, you aren't anywhere near the shittiest part of Cal. You're definitely in red neck-ville, but try out the central valley, or Blythe, or even Barstow. Now that's shit.
Currently the job market is shit. But one of the benefits to living in a big city or a major metropolis is that there are more opportunities to make your own job, than in a small town. Shit, if you have a pick up truck you can start your own pool boy service and kinda get by. This is where Phish is right... if you don't have ambition or drive, you're not going to make it anywhere.
And one last thing... if you're any kind of bigot you'll hate it here. EVERYONE lives here... all nationalities, gay, straight, freaky deakies, rednecks, cholos, academics... freaking everyone! So you have to learn to work with anyone and be neighbors with anyone.
Hope it helps, and I selfishly hope you don't move here. But if you do, good luck.