Originally Posted by mstateglfr

The GM of my office has a di2 hydraulic disc road bike. He could spend a couple hours learning how to bleed brakes, buy tools, then spend a couple hours working on the whole process- or he could pay a shop to do it since its a rarely needed service. He could spend a couple hours learning how to set up di2 and customize everything- or he could pay a shop to do it since at his level its a set it and forget it service.
Lets not get into wheel maintenance/repair.

A caveman couldnt do any of those services, to be clear. It seems like you are intentionally trying to insult bike mechanics.

Sometimes people value money over time while others value time over money. Neither is right or wrong.