Models, notes and references
Resources
The spreadsheets and working documents behind the tools. Free, no upsell attached: the same files used on client accounts.
SpreadsheetGoogle Sheet
Break-even ROAS model
The full version of the calculator, with the working shown. Change the attribution multiplier and watch every downstream number move.
Get the sheet →NotePDF · 6 pages
Working out your attribution multiplier
How to get a defensible number out of blended MER and a geo holdout, without a data team.
Get the note →Sheets are Google Sheets you can copy; notes are PDFs. Nothing is gated twice: one address gets you both.