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The original was posted on /r/todayilearned by /u/efequalma on 2024-11-10 12:22:08+00:00.

Original Title: TIL Hetty Green, the “Witch of Wall Street,” became the wealthiest woman of the early 20th century, amassing a $100M fortune (~$2.7B today) by investing in real estate, railroads, and mortgages. Green was also a miser who wore the same black dress daily, ate only oatmeal, and lived in cheap housing.