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The New Gold Stock Investing Essentials: Supercharge Your Portfolio With Precious Metals And Our Top Mining Stocks
amazon.com

Spend less than you earn—invest the surplus—avoid debt.
JL Collins • The Simple Path to Wealth
Because multiple studies* have shown that over the long run, carefully selected and managed portfolios of personal angel investments—even those without a giant hit such as Pinterest—produce an average annual return of over 25 percent. Compared to average annual returns of 1 percent from bank accounts, 3 percent from bonds, 7 percent from stocks, 10
... See moreDavid S. Rose • Angel Investing: The Gust Guide to Making Money and Having Fun Investing in Startups
Vincent
withvincent.com

Noble, Commonstock, Public, Finary — investing hobby
Mercedes Bent • Omnichannel Social: How the Pandemic Transformed Social Products
As for stocks, I like Peter Lynch’s book Beating the Street for his formula for selecting stocks that grow in value.
Robert T. Kiyosaki • Rich Dad Poor Dad: What the Rich Teach Their Kids About Money-That the Poor and the Middle Class Do Not!
In addition to multiple-based measures, you can also use yield-based measures