Seismic Savvy Home Inspector

You can't count on pro framers to know the nuances of shear walling. Fortunately, the panel wasn't nailed yet but it had to be repurposed. Can you identify the cardinal sin before I tell you what it is?

This is a crawlspace with a cripple wall and this is just the top of it. What do you see that could be problematic in an earthquake? Would you normally make anything of it?

These are the three main components of a retrofit. If you only had the budget to do one of them, which do you think will benefit your house most in an earthquake?