Keith, you bring up another important point. If you have your total layout built off site, then delivered and set up you stand a better chance that with some effort your layout will be able to relocate with you.
There was an interesting court case several years ago when during a divorce on Long Island there was a challenge by the soon to be exwife that her NYC attorney husband was hiding cash by claiming he spent 1.35 million on a large model RR. Something like a 50' X 60' pike. He simply had estimates from several professional layout builders quote on his plans and photos. Case was dismissed.
