erm I think if we ever decided to have anyone outside our family living here, it would be have to be someone rational enough to accept that hubby is atheist and I am agnostic as well as being bisexual. We are also are meat-eaters (including pork) and have dogs that are a part of our family.
I honestly don't see how it could be that complicated. For example, we don't eat meat, but if the guest wants to eat meat, he could buy and cook his own.
We're not homosexual, but as long as he doesn't involve us in his sexual activities, that's his business.
I think the main issue is house rules, such as sharing the cleaning, keeping the noise down and such.