Why should the relocation benefit scale with the value of my stuff?
It could be, along with say family size. But the UX cost of asking such questions is real, especially on an insurance application form. People get worried why we want to know such things so early on.
Today we're able to provide a pretty good estimate with no personal details, nothing but a zip code in fact. We might work the zip code into temp housing default at some point, but it's not without issues. Changes to the property <> temp housing link built into our rating require solid data and regulatory approvals.
Don't take this too literally as I'm just a developer, not a licensed insurance agent. But this kind of thing is harder in a heavily regulated business such as ours.