I once spent $340K on a campaign that generated 11 qualified leads.
We had the data. We had the creative. We had the budget.
What we didn't have was a reason for anyone to care.
The campaign was technically perfect. Emotionally invisible.
Our attribution model looked beautiful. Our creative looked expensive. But when I read the comments and did the customer calls, I heard the same thing: "I don't know what problem this solves for me."
That's the lesson I still carry.
Reach without resonance is just expensive noise.
Now I start every campaign by writing the one-sentence tension we're resolving for one specific person on one specific Tuesday.
If I can't write that sentence, we don't spend a dollar.
What's the hardest post-mortem lesson you've had to actually present to your team?