Your non-proffesional bulk purchases of wood and/or logging equipment, as well as subsequent reduction of general consumer goods consumption has registered you as a 'potential kaczynski shack owner'.

If you pay cash and get it from out of town I don't see how they'd track you, unless the lumber store is doing facial recognition and uploading that data somewhere.

Maybe we need straw buyers for lumber?

You think LEO only asks Google for location data, and not, for example, On-Star or auto OEMs?

Serious question: are there links about the data your car keeps on you (if any)? I'm not talking about if you use Google or other web location services.

I've done some cursory asking around and found nothing. I would think the real problem is that every car manufacturer and every model year is different.

Try starting with these people.

https://cccis.com/

Follow the insurers.