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One thing to notice Most animals that are inside your house, are inside your house for a reason. And if you put them outside to “live” they will just die if they cannot return to a suitable environment with a reliable source of food and proper cover from the weather and predators.
So, sorry for taking away the guilt free feeling of putting an animal outside thinking it will live a long happy life in the wilderness.
I often think about this too, though a quick search about house spiders did suggest to me they have a decent chance of survival through winter. I don’t think human structures have been around long enough for species to have adapted to be dependent on them.