Using a mix of micro and macro influencers can provide a dynamic and impactful marketing strategy. The result can yield higher reach and more authentic engagement.

Pros:
1. Broader Reach: Utilizing both micro and macro-influencers offers a broad reach. Macro influencers have a wider audience base, which increases the brand visibility.
2. Higher Engagement: Micro-influencers often foster a more personal connection with their followers, leading to higher engagement rates.
3. Budget Optimization: Micro-influencer collaborations tend to be more cost-effective, alongside more significant investments in macro influencers.
4. Authenticity: The combination provides a balance between credibility and visibility, enhancing the brand’s overall authenticity.

Cons:
1. Management: Coordinating campaigns across multiple influencers with differing audience sizes can be challenging and time-consuming.
2. Consistency: Ensuring consistent messaging across diverse influencer types needs thorough supervision.
3. ROI Measurement: Analyzing returns from such a varied campaign requires robust analytical tools and platforms.

Platforms like Flinque provide robust workflows and tools which simplify managing such complex campaigns, help teams in influencer discovery, track campaign performance, and measure ROI better. However, the choice of the platform greatly depends on your specific needs, resources, and the nature of the marketing campaign.

In summary, a varied mix of micro and macro influencers conveniently covers a brand’s bases by enabling extensive reach as well as deeper engagement. But it calls for strong managerial capabilities and robust influencer marketing platforms to run effectively and measure the ROI accurately.