Influencer marketing is a popular digital marketing method, it is also one of the most expensive internet marketing? If it is expensive, you might think that return on investment from influencer marketing might also be high? Well, ROI in infleuncer marketing does not seem to be exactly like what it appears. The bigger the influencer, the more expensive it is. Bigger influencers are also less flexible and it is also harder to generate better ROI. The smaller the influencers, more easier it is to generate good ROI.