Even the things you mention have changes: what about a ton of conduit runs for POTS lines that now seem quaint? Many of these, even if in conduit, aren't in loc

Even the things you mention have changes: what about a ton of conduit runs for POTS lines that now seem quaint? Many of these, even if in conduit, aren't in locations where slapping an Ethernet jack makes sense. Duct work for fossil fuel furnaces is often undersized for heat pumps or AC that needs to flow a certain amount of air to function.