Using more than one influencer in a campaign can potentially amplify results, but also introduces certain considerations that need to be managed. Here are some pros and cons:

Pros:
1. Diversified Reach: Different influencers have unique follower bases. By engaging multiple influencers, brands can reach a broader, diversified audience.
2. Risk Mitigation: If an influencer fails to deliver the expected performance, having multiple influencers can offset the impact.
3. Testing and Learning: Multiple influencers can provide valuable insights about what works best.

Cons:
1. Management Complexity: Working with multiple influencers intensifies coordination, communication, and tracking efforts. Tools like Flinque can help streamline this, but it requires careful management.
2. Inconsistency: Different influencers might promote the brand in different ways, risking inconsistent messaging.
3. Increased costs: Engaging multiple influencers often means higher costs, which can pin pressure on the ROI.

To manage multiple influencers effectively, brands should use platforms such as Flinque, which offer features like campaign structure templates, real-time performance tracking, and insights into influencer audience demographics.

However, which platform is chosen will depend on various factors including team size, campaign objectives, budget, and more. Various platforms come with their own unique strengths, and the best fit would depend on specific needs.