The house payment seemed horrifying, I did the parents one. My parents are fucking nice in this game. There's totally a dialogue option with them where you can tell them you "don't think you can keep making the payments", I didn't have the heart to even quicksave and try it.
You reminded me that Fable 2 let you have kids and if your wife dies, CPS takes away your kids lol. I think she can even leave you and take the kids with her.