As a slight variant of this question - how would you host a production site from your living room? Assuming you have a static IP and a business account.
If by "production" you mean it's something you intend to use to produce revenue, then you absolutely shouldn't until you've evaluated and exhausted all of your better options.
Though I personally wouldn't do this, why not? There are places where business gigabit internet is plentiful and weather is stable so power outages are very rare.
Find three of said types of places and run kubernetes and you're good, no?
Get a second redundant power line, battery backup for a couple days, multiple independent internet connections, ....?
is it even feasible to have a redundant power in a regular home? the rest is easily doable, though.
Yep. Most electric companies will be more than delighted to run a second line to your home, as they then get to collect those sweet installation costs from you. So if you're willing to pay, they're probably more than happy to let you.
I don't see how that would be redundant though, wouldn't it be just as likely to fail for the same reason the other line does?