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Ep 538 How 2 Brothers Bootstrapped AppArmor to a $40M Exit — The Answer That Almost Cost Them $20M
David Sinkinson and his brother Chris built AppArmor over eleven years without taking a single dollar from outside investors. They bootstrapped it by running side businesses, plowing the profits back in, and staying lean...
About This Episode
Ep 538 How 2 Brothers Bootstrapped AppArmor to a $40M Exit — The Answer That Almost Cost Them $20M is an episode from Built to Sell Radio by Hosted by John Warrillow, the creator of The Value Builder System™.. David Sinkinson and his brothe...
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This episode belongs to Built to Sell Radio.
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Episode Details
Published Mar 20, 2026, 01:11:36 long, audio available.






