Model railroaders can be amazingly cheap about some things.
In a hobby where an model engine can easily cost $300, we will try and get every use possible out of $3 piece of lumber or a .10 cent foot of wire.
I'm not immune to these sorts of thoughts.
Yes, that is wired reclaimed from the old layout.
Yes, it has been cleaned up (suitcase connectors removed) and measured for length.
A great job for somebody who's 12.