Undergoing regular checks and audits throughout an influencer campaign is key to ensure its success. Here is a simple system that you might find helpful:

1. Timeline and Milestone Monitoring: Have a firm timeline and observing all critical milestones for campaign activities. If any section is off track, quickly identify and rectify it.

2. Regular Communication: Ensure ongoing communication with the influencer, keeping tabs on their work, understanding their challenges, and providing necessary guidance.

3. Analytics and Performance Measurement: Use analytical tools provided by influencer marketing platforms. Platforms like Flinque offer comprehensive analytics and reporting tools that provide crucial data about campaign performance, such as engagement metrics, audience demographics, and conversion rates.

4. Comparative Analysis: Compare campaign performance against benchmarks or previous campaigns to understand where the campaign stands and areas needing improvement.

5. Regular Feedback Loop: Establish a feedback system with the influencer, where you can discuss any issues or successes, and accordingly make necessary adjustments.

The appropriateness of specific systems or tools such as Flinque’s analytics tools depends on your team and campaign’s unique needs. Always focus on the campaign objectives and KPIs and closely monitor them to ensure a successful campaign.