How did Sam prepare for his life in Galesburg, 1894?

Sam, Charley’s psychiatrist friend, prepares for his life in Galesburg, 1894, by using the third level as a means of escape from the stresses of the present. After Charley’s encounter with the third level, Sam becomes intrigued by the idea and decides to actually try to travel back to that time. He makes careful plans, including purchasing old currency from a stamp dealer to use in 1894. Sam’s preparation reflects his belief that the third level is a real, tangible escape to a simpler and more peaceful era, much like Charley had hoped for.

This question related to Chapter 1 English Vistas Class 12th NCERT.
From the Chapter 1. The Third Level.
Give answer according to your understanding.