Just like any other marketing strategy, there are many levels to an influencer marketing campaign. The basics are crucial: find a fit for your brand, establish a budget, and be thoughtful and thorough when engaging your influencers. However, you’ll undoubtedly have lots of questions to further refine and fine-tune your campaign, both on present and future ventures; specifically—the dreaded ROI issue. It can be difficult to grasp how to quantify your investment, both to your team and to the folks that approve your budget. So, here’s a few hints to get your numbers and strategies on point.