Despite budgetary constraints, you can still run effective and successful influencer campaigns. Here’s how:

1. Micro-Influencers: Engage micro-influencers who have a smaller but more engaged audience. They generally demand less financial compensation and often outperform bigger influencers in terms of engagement and conversions.

2. Clear Objectives: Ensure you have clear goals for the campaign. This could be brand visibility, audience growth, or direct sales. Goals should be specific, measurable, and achievable within your budget.

3. Creative Control: Allow influencers some creative control. They understand their audience better and know what kind of content resonates. Trusting their judgment might result in more effective and authentic content.

4. Evaluation Metrics: Use proper metrics to evaluate the success of the campaign such as engagement rate, conversions, earned media value, reach, and sentiment.

5. Collaboration & Long-term Relationships: Engage influencers in more than just one-off campaigns. Building long-term relationships can lead to more cooperation and possibly discounts.

6. Use of Technology: Leverage influencer marketing platforms to streamline processes such as influencer discovery, campaign planning, and performance tracking. For instance, Flinque offers a suite of tools to manage your influencer marketing campaign more quantifiably and effectively.

Remember, different platforms serve different needs, and the choice depends on your specific requirements. Always make your decision based on the relevance of the features offered by the platform to your campaign needs. For instance, if you need strong analytics and ROI measurement capabilities, ensure the platform caters to this.