My mother was always urging me to buy a place, like a duplex, and "get the renters to pay the mortgage". I had a hard enough time just keeping a job, dealing with the people there, that that would have been a nightmare for me. I think I heard or read somewhere recently - maybe it was a Judge Judy episode! - that mom's idea was not good for a person with people and or mental problems like me. It may be more than your daughter can handle, too, having those roommates. Maybe you can help her choose her next ones, or help her some other way. Because if you guys couldn't deal with them for one afternoon, how is she doing? I don't mean to discount what happened.

My dad taught me, and his mother taught him, that even if somebody offers you a drink, you always say no thanks! I would NEVER open my brother's refrigerator. I usually bring my own food to my mother's, but I might take one of a multiple - a slice of cheese or bread, a piece of fruit or candy, some flavored coffee mix. They never come to my place, they never eat what I cook.