Where are all the good Diagnostic Technicians?

I don’t have much to add here — he’s saying almost exactly what I would say on this topic.

If the time, effort, and knowledge that diagnostic technicians invest in developing their skills are not properly paid for by customers, there simply won’t be any diagnosticians left in the industry. Outside of a few rare hobbyists, no one is interested in consistently working for free.

And if you don’t know who ScannerDanner is, it’s worth looking him up.