work; the american federal gov't is funneling tons of money into texas and every day i get at least one email from a recruiter to move back to texas for a job and it's at a considerably higher frequency than california.

You can use various things to obscure a license plate from Flock cameras, but it's illegal to varying degrees in several states, no doubt with more on the way.

Sadly pretty much any kind of active signal jamming is highly illegal in the USA. Iirc it's a federal crime too.