LORELAI: Fifteen thousand dollars?
RORY: We’re never eating again.
LORELAI: I don’t have fifteen thousand dollars. I’ve never had fifteen thousand dollars. I’m trying to picture fifteen thousand dollars – I can’t! That’s how unfamiliar fifteen thousand dollars and I are with each other!
Apparently Lorelai bought her house for less than $15 000, or the downpayment was less than that. That would seem almost unbelievable today, but is plausible for a house in rural Connecticut needing urgent repairs in the mid 1990s (for the downpayment, not the entire price).
The Annotated Gilmore Girls 