EMILY: But think about this – you’re fighting so hard to send Rory off to Harvard no matter what that you haven’t even stopped for one second to consider that if she went to Yale, she could live at home.
It doesn’t seem feasible for Rory to live full-time at home while attending Yale, and she’d miss out on the whole college experience. Emily might mean that Rory could live at home on the weekends. When Rory does go to Yale, she spends at least her first semester coming home every weekend, or nearly every weekend.
The Annotated Gilmore Girls 