So when you change the oil do you elevate the front? You may have a head gasket leak , that's dependant on the angle. I've seen it before when people park on inclines...blow a bunch of white smoke then it's fine.
Do a compression check
Unfortunatly pretty normal for AAA. If they don't have an approved carrier in the county you are in they will first try one of their own for a little before calling someone else.
I had to wait like 5 hrs before a truck showed up and I'm in West Palm Beach. Apparently they only have connections...
While ago at work we were assembling some pillow blocks. We had ordered I think it was 3/4" stainless nylock nuts and bolts. It was getting late so we just loosly assembled everything and just put a few turns into the nylock.
Well next morning we couldn't turn anything, even brought in my M18...