I won't be the first or last to say these three things:
The internet was meant to stop reliance on single sources (in case of nuclear war)
The size of a house of cards increases the number of failure points
Marketers lie
The internet was meant to stop reliance on single sources (in case of nuclear war)
The size of a house of cards increases the number of failure points
Marketers lie
You have all the technical means. Your home server possibly won't be reachable, yes.
The global connectivity as-is is really, really, really fault tolerant.