There’s no guarantee you can draw a circle through the bottom of the four legs of a table (opposite legs can be off in the same direction). Also, most floors are not perfectly flat, therefore you can’t assume the floor is at one elevation.

The insurance is based on the cost to rebuild the home, which has also drastically gone up, so it makes sense that it has risen too

Well more from being in the air than just the scanner I believe!

https://xkcd.com/radiation/

Sync and Connect are the two apps I’ve used and both have the capability of doing this. Let me know if you need help finding the settings.