If we can have "all the comforts of home" in space why would we settle planets?
This is something that is starting to bug me, I'm creating a universe in which space travel is cheap and comfortable and space habitats can be built roomy enough that no-one actually needs to live on a planet anymore. If we can live in space, with gravity, open spaces, fresh air, and grow sufficient food off-planet too is there any reason to actually live on the "nasty heavy places" that are planets?
Answers should be applicable both for near matches to Earth for habitability and also for worlds that require rather more effort to colonise. Good answers will focus on the relative advantages of planets when compared to smaller but equally comfortable habitats, and bear in mind the effect of gravity wells on relative commercial costs.
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