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I've been looking for a video/tutorial on how to get the most out of
I've found plenty on what it is and how it can help players, but not a thing on how a player can maximize it's use.
There's so much the site does and I only know how to scratch the surface.

I would like to see the historical price of certain materials (preferably in a line graph).

Ask a child a question and you'll get a childish answer.