Save you the read, here's the interesting part: For $90/mo, we ran a benchmark pushing ~30 MiB/s of metrics data via Buffer. Using public pricing calculators,

Save you the read, here's the interesting part: For $90/mo, we ran a benchmark pushing ~30 MiB/s of metrics data via Buffer. Using public pricing calculators, the equivalent Kafka service cost roughly $1,300/month for managed WarpStream and $8,500/month for self-hosted Apache Kafka.