The unofficial motto of polyamory is "Monogamy? In THIS economy?!?".

I've shared a home once with a partner and her girlfriend, but it didn't go well; my partner was a deadbeat and not only never found a job the entire 10 months I lived with her, she never even tried to find one as far as I can tell. She didn't even get child support from her kids' dad. Her girlfriend and I each worked full-time to support her and her kids with a roof, utilities, food, fucking doctor's visits...I had to pressure this woman into applying for food stamps ffs. I finally had had enough and told her to go move back in with her mother because I wasnt going to be paying for her any more. And then she and her girlfriend moved out together and got a place. Good riddance, and holy fuck was her girlfriend an enabler.

I'm not against sharing a home with partners and metamours again in the future, mind you. I just intend to get to know everyone a lot better than I did in that circumstance.