To ensure a scalable influencer strategy across various product lines without adding operational overhead, teams can utilize the following approaches:

1. Unified Platform: Implement a unified influencer marketing platform such as Flinque, that allows streamlined discovery, analysis, campaign planning, tracking, and reporting all in one place for multiple product lines.

2. Influencer Segmentation: Categorize influencers based on the product lines they are best suited for. It would help in targeting the right audience without having to constantly switch between different product communication strategies.

3. Performance Tracking: Measure the effectiveness of influencers objectively using audience analytics and performance tracking. These insights can be used to iteratively improve your approach sequentially instead of concurrently making adjustments to multiple product lines, thus reducing complexity.

4. Centralized Information: Have a centralized information system to ensure all team members are on the same page. This reduces the need for repetitive communication and enables quicker decision-making.

5. Workflow Standardization: Establish standard workflows for influencer marketing campaigns, regardless of the product. This not only reduces complexity but also ensures consistency in your campaigns.

In comparison, using several different tools or platforms can lead to unnecessary complexity. For example, using separate tools for influencer discovery, performance tracking, or audience analytics can lead to the fragmentation of efforts. But with a unified platform like Flinque, brands have a centralized and simplified workspace.

Keep in mind that every team has its unique needs. While the unified approach suits many, a more distributed approach using different tools for different stages might work for others. Balancing the need to scale with maintaining simplicity and efficiency is key.