If I’m planning a major marketing campaign

Given the differing costs and impacts of micro, macro and celebrity influencers, how can I best optimize my ROI?

Can you provide insights into whether specific industry sectors would benefit more from utilising macro-influencers rather than micro or nano influencers?

In considering influencer types, what should I look for in their audience profile to ensure relevance to my brand?

How does the type of influencer and follower count correlate? Is a higher follower count always beneficial, or are there other factors I should consider?

In order to ensure a successful collaboration, what primary characteristics should I look for to evaluate the influencer-brand fit?