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Discover the humble lives of six secret millionaires who silently amassed fortunes and left it all to something bigger than themselves. Queenmoonlite Studio / Shutterstock.com
Advertising Disclosure: When you buy something by clicking links on our site, we may earn a small commission, but it never affects the products or services we recommend. In the 1990s, the book “The Millionaire Next Door” by Thomas Stanley and William Danko opened readers’ eyes to the fact that most millionaires do not live in mansions or sail on yachts. Rather, they are more likely to be…