These are the 3 most important lessons fashion entrepreneur 'The Man Repeller' has learned about business

Leandra Medine - who calls herself the "Man Repeller" for her bold clothing choices - is not your typical entrepreneur.

For one, she's only 27. For another, she's a fashion blogger. And, before launching her namesake site in 2010, she had no business experience whatsoever.

Now, though, she's responsible for a burgeoning lifestyle brand: her site racks up 10.3 million monthly pageviews and has 2.2 million followers across Facebook, Twitter, and Instagram, while she also runs two podcasts and even has a popular book under her belt.

Medine heads up a team of a dozen writers, artists, and social media gurus who create and distribute their content to a plugged-in, fashion-conscious millennial audience. She's also snagged a series of lucrative brand collaborations with big names like the Sunglass Hut, Fossil, NARS, and Estée Lauder.

Here are the three biggest lessons she says she's learned in her unexpected role as a founder.