>What there isn't is a good quick way of scanning a room for all the stuff in it.
This would be incredible for insurance documentation, too.
Having just gone through a family situation with a fire, the fact that there was a pretty good inventory of the house was incredibly useful. I really need to do it for myself but haven't gotten around to it; it's a big job.
I figure that, as a way better than nothing first cut, a low-effort approach may be to simply do a detailed walk through with a video camera and record commentary.
Another piece of evidence about the "precariat" of young workers ...
Anyway, if someone wants a multibillion-dollar idea that may require more than a billion dollars of work, the technological solution needed here is "home inventory management".
There are a few startups that will let you wave a phonecam around a room and produce a floorplan from it. There are a few things like Google Lens that will identify products one at a time. What there isn't is a good quick way of scanning a room for all the stuff in it.
Once you can do that, you can inventory it all on the way onto the truck and on the way off the truck. You can assign a value to it. You could even offer the arbitrage service of "it's cheaper to sell this here and buy a new one at the destination, do you want to do that?"