Would probably cost you $500-1000 depending on how difficult your home is.
I did not see any indication that the landlord was ever actually asked, it appeared to be the author's "sense" that any answer would be "no" from the landlord.
"If I were to do this again, I wouldn’t do a custom build like this. I would buy a standard datacenter server and rent space in a colocation center. But then I would miss saying Hi to grumbl once in a while."
[0]: https://static.cisco-eagle.com/images/category/WireCrafters/...
[1]: https://www.edpeurope.com/wp-content/uploads/EDP-3-Compartme...
Yup, but i was assuming that he wanted to experiment building gpu rigs. For sure standard GPU servers are cheaper and easy to maintain. I have two lenovos, bought them used, already EOL.. was cheap and better than any custom gpu rig.. but i was pragmatic, because my goal was to put it in production, and not to research...
Not everywhere. Running a data center myself, we have cages for 1 rack, 3 racks and so on..