New phone line activation: $33.00. DSL service transfer to another phone line in the same residence: $50.00. Redirection of an existing phone line to an existing phone jack in the same residence: $120.00. Pulling out your monkey wrench and figuring out how to wire your own damn phones: Priceless.
Thanks to HomePhoneWiring.com for the inspirado and to Bryce and Rob for taking a look at it with me.