What is the importance of the farmhouse in Powell in the novel, All the Ugly and Wonderful Things?

Liam moves Val and the children here after they are released from prison. However, while Liam moves the family to the farmhouse, he does not live with them. This location is where Val lives with Wavy and Donal. It is a remote location up the hill from Liam's meth lab and trailer.

This is Wavy's home where she has a private bedroom upstairs from everyone else. It is her home base and where she meets Kellen for the first time. Kellen and Wavy spend a lot of time in this house, and Wavy cooks many meals for him.

Val and Liam are murdered in the kitchen, which is the last day anyone in the family lives there.