Adobe Analytics is built on consumption. The commercial model centers on server calls, the events that fire as traffic and tracking grow, and a committed annual volume that sets your baseline. Adobe sizes that commitment generously at signing, because a high baseline is hard to walk back later.
The trap is that usage only ever drifts up. New tags, new properties, mobile events and marketing pixels all add server calls, and once you cross the commitment the overage rates apply. Few teams watch the call volume closely enough to see the overrun forming before the renewal makes it permanent.
Analytics also rarely sits alone. It is usually bundled into an Experience Cloud agreement where the line item cost is deliberately blurred. Unpicking that bundle is the only way to know what Analytics actually costs you and what it should.