These books, which are expensive because I don't think they're printed anymore, are going to be far more useful than GPT: https://www.amazon.com/Dictionary-Fin

These books, which are expensive because I don't think they're printed anymore, are going to be far more useful than GPT: https://www.amazon.com/Dictionary-Finance-Investment-Business-Dictionaries/dp/1438001401 https://www.amazon.com/Dictionary-Finance-Investment-Busines... And since the resale value is extremely high, so you can always resell if/when you don't need them anymore, possibly for a profit.