Influencer marketing may seem like a gamble. For such a lucrative industry, some influencer promotions can net millions and publicity for the brand they’re promoting, while others can breeze by without causing a stir or netting a single dollar for what they’re trying to advertise. From Christiano Ronaldo to Snapchat, what are some of the biggest mistakes in influencer marketing and how can you as a brand and influencer learn from these in order to create the most relevant and profitable campaigns that promote the image of both partners?