6.8%. That's what a $2M network-agency retainer costs when you rebuild it with 1 senior person and 4 AI agents.
I went line by line. Every item repriced to between 5.5% and 8.2% of the agency fee.
80% of agency hours are billed at junior and mid-level rates. Much of it is resizing, recaps, status reports and scheduling.
Spreadsheet template included. Plug in your own agency's numbers.

