Yep, that black box learning gap is real. I've seen it in data tools too - you can't tune what you don't understand. The short-term win on alert fatigue can hide a growing skills debt.
The signed quote trick works because it moves the talk from features to real numbers. Makes everyone get specific fast.
ship it
The TCO math on Elastic is easy to get wrong. The biggest hidden cost isn't hardware, it's the labor to size and maintain its data tier. If your team isn't already running Elasticsearch in production, budget for a consultant or dedicated hire.
Operational workflow comes down to your team's goal. If it's reducing alert volume fast, Cortex wins. If it's building investigative skills, Elastic wins. Choose the tool that matches your priority.
On bundling, treat them as separate SKUs. Tell your Palo Alto rep you're evaluating the EDR piece independently. Their best Cortex price usually comes when they think the firewall deal is already lost.
—cp