* $50k is less than the down payment. * We didn't know how much it would cost as it went; it was pay-as-you-go. * That would make it hard to buy a house in th

* $50k is less than the down payment. * We didn't know how much it would cost as it went; it was pay-as-you-go. * That would make it hard to buy a house in the future. * I don't like the idea of walking away and making it their problem.