30 Years in 30 Days • Year 9: Visualizing Savings—Mortgage Charts that Matter

Jeffrey Goodman
6 min readNov 10, 2023

Today in “Year 9” of our 30-year mortgage journey, I want to use simple charts to illustrate what we’ve seen so far and to add a new insight or two.

Data analysis, spreadsheet creation, and image creation done by author, 2023.

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(Full list of “30 Years in 30 Days” Series
articles available at bottom of this article.)

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Jeffrey Goodman
Jeffrey Goodman

Written by Jeffrey Goodman

Navigating facts and numbers to help people. Strong opinions on climate change and healthcare. Objective, not neutral. MIT engineer, Wharton MBA.

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