Scale planner

Set the ramp — see the cash. Cohort engine on live unit economics (NCPA, retention, supplier terms, inventory lead time, legacy subscriber base).

Target spend / day (£)

Reach it by month #

Then target 2 (£/day, 0=off)

Target 2 by month #

Supplier + 3PL terms

NCPA / CAC (£)

CAC drift at scale

Starting cash (£)

Fixed costs / month (£)

First-rebill survival %

VAT buffer (months held)

Horizon (months)

Cash position by month

Assumes supplier credit scales with PO volume at the chosen terms (big ramps may require deposits — that shifts results toward net-30). Retention curve scales proportionally from the first-rebill input. Legacy subscribers rebill at their locked £53.99. Inventory bought 2 months ahead of shipping. Edit defaults in this file or ask Claude to re-tune.