Setting up an influencer marketing platform can involve various costs. However, these costs can vary greatly depending on the specific platform, the needs and size of your influencer management needs, and the scope of your campaign. Here are some typical costs that may be associated:

1. Subscription Cost: Most platforms work on an SaaS model. This could be a monthly or yearly subscription fee. It is essential to understand what features are included in the subscription and what features would cost extra.

2. Onboarding and Training: Many platforms offer onboarding sessions to get your team up to speed, which might entail extra costs.

3. Setup and Integration: There may be costs associated with integrating your existing software tools with the platform, and any customization needed to meet your specific requirements.

4. Influencer Fees: Depending on the campaign, you may need to budget for payments to the influencers you work with. This won’t be a part of the platform cost but a significant part of the overall campaign budget.

5. Support and Maintenance: Some platforms may charge for ongoing support or if you require regular system updates or enhancements.

For instance, Flinque operates on a transparent pricing model where brands only pay for the scale they need, and includes support services at no extra cost. Remember, choosing a platform will depend on your team’s specific needs and the scope of your campaign. Lastly, do consider that an influencer marketing platform is an investment that, when used correctly, can provide a significant return on investment.

Always read the terms and consider all potential costs when evaluating different influencer marketing platforms.