The real PITA is that permitting/inspection opens you up to everything needing to be “updated”.
I pulled a building permit to remove a load bearing wall and replace it with a beam and a new pier. Because I had moved some of the wiring from the wall that didn’t exist any more to an old wall using new wire, all appropriately sized, stapled to studs, all connections in boxes, etc, I was required to pull an electrical permit. I didn’t add or subtract any switches, receptacles, or anything else, and had fixed stuff from original construction like them smashing a hole in the wall with a hammer, connecting a light with wire nuts, and hanging a mirror over it.
Inspector then tells me I need to have all the smoke detectors in the house wired on the same circuit, replace half the breakers in my panel with ARC fault, which there isn’t room for since I have a few tandem breakers, so I’ll have to put in a new panel. I still have an open permit and he hasn’t been back.
IMO, they should only be able to inspect what’s new or flag stuff that’s grossly negligent.