After dropping out of uni and with starting out with $400, Tammy Hembrow has built online fitness app Tammy Fit and clothing brand Saksi Collection into businesses that's given her an estimated $38 million fortune.

Background reading:

• 13 lessons to turn $400 into $38m
• How this 28-year-old built a $38m fortune

How I Made It website here. Email us at howimadeit@afr.com

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