I’m in the SFV too and many people here think LA is insulated even though we’ve already seen 17-20% depending on where you look. I believe LA is behind SD by 6-12 months in terms of trends and will still fall 20% or so in the next year.
You can always raise your low-ball offer, but you can’t reduce it once they accept.
You have the money, they have a depreciating asset.