Client-Financed Acquisition (30-Day Cash Rule)
When you need this method
Your growth depends on external financing: every new customer ties up capital before paying anything back. That caps the pace at whatever the bank balance or investors allow. The counter-thesis: if a customer's first 30 days cover more than twice the cost of winning them, growth becomes self-financing.
Approach
- 1Calculate the cash collected in a new customer's first 30 days (not booked revenue).
- 2Compare it to the threshold: more than 2 × (CAC + fulfillment cost).
- 3If below, pull cash forward: setup or onboarding fee, annual prepay with a moderate discount, prepayment bonuses, a financing partner.
- 4Check what share of customers accepts prepayment offers and adjust the terms.
- 5Treat the threshold as a discipline check, not a substitute for the long-term unit-economics calculation.
Typical application
A typical case: a service-heavy software business on monthly billing wants to grow faster without raising a round. Today CAC only flows back after many months, and every sales push drains the bank account. The company introduces an onboarding fee that honestly prices the implementation effort and offers annual prepayment with a small discount. A meaningful share of new customers chooses prepayment; acquisition now largely funds itself from ongoing business.
Limits and counter-indications
The 30-day horizon comes from an SMB and service context; in B2B SaaS, paybacks of 12 to 24 months by segment are legitimate and consistent with recurring revenue. In enterprise motions with procurement processes, cash can only be pulled forward to a limited degree. Aggressive prepayment models can cost conversion and trust; terms must fit the buyer.
How to measure impact
Cash collected in the first 30 days per new customer relative to 2 × (CAC + fulfillment cost), plus the prepayment rate.
Related methods
Sources
- 1.Use Customer Cash to Finance Your Start-Up, John Mullins, Harvard Business Review (opens in a new tab) · Harvard Business Review · Juli/August 2013 · academic and scholarly literatureTrägt das Grundprinzip, das Wachstum aus im Voraus fließendem Kundengeld statt aus Beteiligungskapital zu finanzieren, und ordnet es als Geschäftsmodellentscheidung ein.
- 2.How to get unlimited funding to build your business in 30 days, Alex Hormozi (Langform-Video) (opens in a new tab) · YouTube · o. J. · practitioner sourceTrägt die konkrete Ausgestaltung der Methode, also die Dreißig-Tage-Frist und die Anforderung, mehr als das Doppelte aus Gewinnungs- und Erfüllungskosten zu decken.
Origin: Hormozi · Adapted from: Alex Hormozi ($100M Offers/$100M Leads, YouTube-Langform)
Last reviewed: 2026-07-25 by Dr. Oliver Gausmann