At the very least, you should trust the person you are sharing a home with. However, after two strangers move in together, their living arrangements can get complicated quickly, especially when financial hardship is part of the equation.
That’s exactly what happened to Reddit user Pleasant-Block8456. As the man explained on r/AITAH, the female tenant who came along with the house he inherited wasn’t willing to leave or share the property with him, suggesting the only option was for the new owner himself to find another place.