In <a href="https:&#x2F;&#x2F;www.amazon.com&#x2F;Scratch-Beginnings&#x2F;dp&#x2F;0061714275&#x2F;" rel="nofollow">https:&#x2F;&#x2F;www.amazon.com&#x2F;Scratch-Beginnings&#x2F;dp&#x2F;0061714275&#x2F;</a> the author leaves everything behind and builds everything up again. There&#x27;s no riches though (unless his book sold really well).