How do I have multiple sums of money (coins/notes) available scattered throughout the game that would increase the player's currency. Because this is a time travel story there is also the challenge of using different currencies for different time periods... Any advice would be appreciated!

Hello.

Sounds complicated. :o)

Perhaps these links will help:

https://docs.textadventures.co.uk/quest/score_health_money.html#money

https://github.com/ThePix/quest/wiki/Library:-Shops