Mainstream SIEM tools used for security and compliance are expensive to license and maintain. Prominent data-to-anything market players such as Splunk, IBM, and DataDog charge by the data size used by their clients that pile up costs.
The daily ingestion cost range ranges from $4500 per GB (1 GB per day) to $1500 per GB (for 100 GB per day). You can do more with less if Giggso steps into this scene.