Type in your real numbers and it works out what you should actually quote — not the number that leaves money on the table. Takes about 5 minutes. Works for any client, any brief.
Ask it before you quote, not after. It moves you from order-taker to strategic collaborator, and it is the only question that tells you whether you are pricing a 2-week social asset or an 18-month campaign anchor. Write their exact answer below, then go back and redo Step 2.