Yes this is part of the sentiment I am expressing. For the bulk of business the equation works best if the shop does the whole process.
What I especially wanted you to know was the shops side of the story. This is so you will be fully engaged in your most appropriate behavior when your tech does such a favor for you.
I have worked on cars or pieces-n-parts since I can remember, about 35 years now. I have no problem at all with people doing for themselves. I get a thrill every time we fix one here.
Bosch Master, ASE Master, L1
33 years MB technician