Nice thing about those Honda EU2000i inverter/generators.
You can connect 2 of them together and they will run in tandem.
But seeing as how your not going with Honda I guess it's moot.
Anyway I'll include the link in case you want to have a look see.
BTW Honda's are Carb compliant and very very quiet which is
one of the 3 reasons why it will be my choice.

Here are some video's Honda Generators

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