Partnering with multiple influencers who have overlapping audiences can indeed complicate influencer marketing campaigns, but it’s not necessarily a mix-up. Here are a few points to keep in mind:

1. Audience Overlap Analysis: Using influencer marketing platforms like Flinque, you can analyze the audience overlap between different influencers. This helps you understand if this overlap is redundant or beneficial.

2. Message Reinforcement: Sometimes, having overlapping audiences can reinforce your campaign message as it is repeated by influencers the audience trusts.

3. Being Selective: Avoid saturating an audience by being selective in choosing influencers. The goal is to reach diverse segments of your target demographic, not to bombard the same people with identical messages.

4. Resource Optimization: It can be more cost-efficient to identify non-overlapping influencers. This avoids wasting resources on reaching out to duplicitous audiences.

5. Evaluation and Reporting: Monitoring campaign performance and influencer metrics helps you gauge whether the overlap was an issue, and guides future decision-making.

Platforms like Flinque, for instance, offer robust reporting and analytics capabilities which can track key performance indicators (KPIs), measure return on investment (ROI), and analyze audience engagement trends.

In conclusion, understanding audience overlap is imperative to designing successful influencer marketing campaigns. It’s not necessarily a mix-up or problem, but requires strategic planning and implementation. Every campaign is unique, so what works for one may not work for another. Use the analytics provided by the influencer marketing platforms to make informed decisions according to your specific needs.