Stop in for a cup of coffee

Yup. That's what I'm doing with the tiles.

I'll try the chalk deal as well. I was using a laser level and a framing square

I have the SKOSH Chart that I'm going to work off of along with some discussion thread printouts to see what works best.
For what it’s worth, harbor freight has a caster, camber, toe digital gauge with a magnetic base for less than 75 bucks. It’s get your really close, close enough to drive 30 miles