Do you actually know what a customer costs you?
Most businesses track what they spend on ads and what they pay their agency. Very few can tell you what those two line items actually return.
If you're running Meta ads to generate leads, you probably know your monthly ad spend down to the dollar, and your retainer to the cent. What's murkier is the part that matters: what it actually costs to turn those two expenses into a paying customer — and whether the whole machine is making money.