You mean $100k (or €100k) as the one-off cost of buying the hardware? (Maybe I misunderstood, I haven't been following the economics of this)

I guess one disadvantage of local hosting is that it (the hardware) is under-utilized, and that motivates sharing the hardware among multiple users

I guess that's where Routstr ( @nprofile1q... ) comes in, enabling a large marketplace of (small) providers, paid via bitcoin of course