Robuta

https://www.gestaltu.com/2012/08/permanent-portfolio-shakedown-part-ii.html/
Jun 22, 2018 - In Part I of the Permanent Portfolio Shakedown we investigated the history of the approach, tracing it back to Harry Browne in 1982. The company he helped to...
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https://www.prpfx.com/index.html
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https://www.ainvest.com/news/building-permanent-portfolio-investor-guide-vanguard-etfs-2601/
Building a Permanent Portfolio: A Value Investor's Guide to Vanguard ETFs
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