Spreadsheets are flexible, but they do not create operational memory. Teams still have to remember which creator agreed to which rate, which post is live, and which report number the client has already seen.
The hidden cost is uncertainty
The moment a campaign has more than a few creators, the real cost is no longer data entry. The cost is uncertainty: duplicated follow-ups, missing proof, unclear spend, and choices made from follower count instead of performance.
A campaign operating system should keep creator records, deliverables, rates, post metrics, and client-ready reporting in the same workflow.