Excerpt from this article:
But transitioning from an average Instagram or YouTube user to a professional “influencer”—that is, someone who leverages a social-media following to influence others and make money—is not easy. After archiving old photos, redefining your aesthetic, and growing your follower base to at least the quadruple digits, you’ll want to approach brands. But the hardest deal to land is your first, several influencers say; companies want to see your promotional abilities and past campaign work. So many have adopted a new strategy: Fake it until you make it.