How do you hide your PBN hosting footprint?

When building a private blog network keeping the servers hidden is crucial. Are you using cheap shared hostings with different names or putting everything behind Cloud flare on public cloud servers?

Multiple droplets on multiple cloud hosts. The majority of the internet uses cloud hosting and your sites will blend in with those if you're on AWS, Azure, Google Cloud, Digitalocean etc.
Never cross link.
Never link to the same site from more than 20% of your PBN.