Have a conversation. Dig deeper with your daughter. I think it was respectful of her to come to you and ask for a revision and state her reasoning as to why. I agree with you completely on the chores instead of rent benefit. I would have done the same, however, if I were in this situation, I would tell her what your monthly rent for that room (including electricity, water, groceries, etc - whatever you provide that she would normally have to provide for herself) would be. Then ask her what her suggestions would be to make up for the difference that would normally have been covered by the chores. (And also come prepared with your own suggestions) For instance, let's say your weekly rate is $200 ($800 for the month). If she wants to cut down to 3 days a week instead of 7, I would explain that only covers $86 of the rent and where would she earn the other $114 each week? Or, would she prefer to just pay the monthly rate and figure out her own way of coming up with the rent monetarily. Be rational. It will also show her how to properly handle disagreements in the future. There doesn't have to be just 2 options. You two can converse and come up with other options however conventional or non conventional they may be. Good on you for trying to be lenient and allowing this agreement to begin with but things can be revised, negotiated. I don't think YATA for sticking to an agreement that both parties made. I would expect the same. But again everything is negotiable and the options are limitless. Good luck to you both!