Doesn't have to be a professional, just someone who knows what to look for. For instance I do 'em all the time for people here in Richmond, I'm doing two or three this Sunday in fact.

You can do the pre-tech yourself if you are 100% comfortable with that... all that matters is that SOMEONE QUALIFIED checks the car out and signs the sheet... in advance. We will quickly re-check the car at trackside tech that day.