---
title: "Capital or Equity: The Math SaaS Founders Skip | Wayflyer"
description: "Before raising a round, price it against revenue-based financing. See how CAC payback, fundraising timelines, and dilution change the cost of growth capital."
canonical: "https://wayflyer.com/au/blog/capital-or-equity-saas-founders"
locale: "en-AU"
date: "2026-09-30"
---

# Capital or Equity: The Math Most SaaS Founders Skip


A SaaS company hits $2.4mn ARR in Q3, its best quarter yet. The board meeting that follows should be a celebration. Instead it turns into the same argument every fast-growing company eventually has: raise a round to fund the next 12 months of sales hiring, or wait.

The instinct is to reach for a term sheet before anyone reaches for a calculator. Everyone frames the decision as "raise or don't raise," when the decision that determines what the next 12 months cost is which form of capital pays for the plan at the lower price, and that comparison rarely gets run before a round gets priced.

Nobody at the table has worked out what the round would cost against what a different form of capital would cost, for the same 12 months. So the company defaults to the option everyone already understands how to price and starts prepping a deck for investors 3 months out, while the sales capacity the growth plan needs sits unfunded in the meantime.

## CAC payback is the clock that's already running

Every SaaS company spending on acquisition today is making a bet on cash it hasn't collected yet. The median B2B SaaS company recovers that spend in 15 to 16 months, per [Foundry CRO's 2026 benchmark analysis](https://foundrycro.com/blog/cac-payback-benchmarks-2026/), down from 18 months in 2024 as go-to-market teams tightened targeting rather than spent more. Top-quartile companies get there in 6 months or less. Bottom-quartile companies wait 24 months or more, and by stage, a Series A company typically sits at 10 to 12 months while a Series B company runs 14 to 18 months.

That range is the planning variable that matters more than the growth rate on the board slide. A company with a 10-month payback can fund its next hiring wave out of the recovery from the last one. A company with an 18-month payback is asking this quarter's cash to cover a bet that won't pay off until well into next year, stacked on top of last quarter's bet that hasn't paid off yet either.

Layer in collections and the gap widens further. Revenue booked under a net-30 or net-60 enterprise contract counts toward ARR the day it's signed, but the cash from it doesn't land for another 1 to 2 months. A company can hit its ARR number for the quarter and still not have the cash in the bank to hire against it.

## Waiting for a round to close is its own cost

None of this pauses while a fundraise is underway. A priced round typically runs 3 to 6 months from first pitch to wired funds, and that clock runs independently of the CAC payback clock and the collections clock. A company that starts fundraising the same month it decides to scale sales capacity is asking a 12-month growth plan to survive a multi-month gap before the capital that funds it exists.

The cost of that gap rarely shows up as a line item. It shows up as reps hired a quarter late, a competitor's sales team already working the accounts a company meant to go after, and a milestone that was 3 months away when the plan was made and is now 6 months away because the hiring that would have closed the distance never happened on schedule.

There's a second cost that does show up as a number, and it's the one most founders never run before choosing to raise. A company raising $2mn at a $10mn pre-money valuation gives up 16.7% of the business. If that company later exits at $50mn, that stake is worth $8.35mn, or a little over 4 times the capital raised. At a $100mn exit, it's worth $16.7mn, or 8 times the capital raised, per [Founderpath's breakdown of SaaS financing costs](https://founderpath.com/blog/revenue-based-financing). Revenue-based financing for the same $2mn typically carries a repayment cap of 1.1 to 1.5 times the amount advanced. Priced side by side, on anything but a small or unlikely exit, the equity is the more expensive form of capital, and it's also the one most founders default to, because it's the one everyone already knows how to price.

## Where Futureproof and Wayflyer fit

This is the calculation [Futureproof](https://www.runfutureproof.com/for-ecommerce?utm_source=wayflyer&utm_medium=blog) is built to run and Wayflyer is built to fund.

Futureproof holds the reconciled ledger, the cash forecast and the cap table for a company in one system rather than across 3 separate tools. Its forecasting agent models the cost of hitting the next ARR or payback milestone and when the cash trough hits. Its collections agent shows what's booked against what's been collected, so a net-60 invoice doesn't get mistaken for cash in hand. Its cap table agent prices the alternative: what that same amount of capital would cost in equity if it came from a priced round instead of a revenue-based facility.

That comparison is usually impossible to see in one place, because the forecasting sits in one tool, the cap table sits in a spreadsheet a lawyer last touched at the seed round, and the collections data sits in whatever system handles invoicing. Futureproof holds all 3, so the choice between capital and equity gets priced as one decision instead of guessed at.

The integration keeps a founder inside Futureproof through that decision. When its forecasting and cap table agents point to Wayflyer's financing as the cheaper option for a milestone, applying happens without leaving the platform: a founder connects bank data and gets an offer, typically within a week, rather than starting a search for a lender and re-explaining the plan from the beginning.

## What this doesn't decide for you

Revenue-based financing isn't the cheaper call every time, and Futureproof isn't built to say it is. A company that needs $10mn or more in one raise, wants a strategic investor with board-level access, or is betting on a long payback cycle that outruns any facility's term is often better served by equity, even at the cost of dilution. Futureproof's job is making sure that decision gets made with both numbers in front of the founder, not with only one of them priced.

It's also worth being clear about what doesn't change. A company doesn't switch off its existing books to use this. Futureproof holds the same reconciled ledger it already ran before Wayflyer was in the picture, and the financing shows up in it as a revenue-based facility with a defined term, not a debt structure that needs explaining to the next investor or buyer. And a company doesn't have to be mid-raise to use it. The same milestone modeling that prices a $2mn financing decision this quarter is the modeling Futureproof runs on an ongoing basis, so the comparison is there whenever the next growth decision comes up.

## The takeaway

The choice most SaaS founders think they're making is whether to raise. The choice that determines what the next milestone costs is which form of capital gets priced against the plan, and for most growth-stage decisions, that price has already been calculated somewhere. It hasn't been compared against the alternative in the same room.

If your next hiring wave, sales push or milestone is waiting on a financing decision, price both options before defaulting to the one everyone already understands. [Futureproof](https://www.runfutureproof.com/for-ecommerce?utm_source=wayflyer&utm_medium=blog) and Wayflyer make that comparison inside the same platform, with an answer in the same week the question comes up.

## Frequently asked questions

### What is a good CAC payback period for a SaaS company?

Top-quartile SaaS companies recover customer acquisition cost in 6 months or less. The 2026 median sits at 15 to 16 months, and bottom-quartile companies take 24 months or more. Payback tends to lengthen with stage: Series A companies typically run 10 to 12 months, Series B companies 14 to 18.

### Is revenue-based financing cheaper than raising equity?

For most growth-stage financing decisions, yes. A $2mn equity raise at a $10mn pre-money valuation gives up 16.7% of the company, worth several times the capital raised at almost any strong exit outcome. Revenue-based financing for the same amount typically carries a repayment cap of 1.1 to 1.5 times the advance. Equity still makes sense for large raises, strategic investors or long payback cycles that outrun a financing facility's term.

### How long does it take to raise a priced round?

A typical priced round takes 3 to 6 months from first pitch to funds landing in the bank. That timeline runs independently of a company's CAC payback period and its collections cycle, which is why growth plans built around a round often stall for months before the capital shows up.

### Does revenue-based financing show up as debt on the books?

No. It's structured as a revenue-based facility with a defined term rather than a traditional loan, and it reads cleanly in diligence next to a company's reconciled numbers, without the debt structure that needs explaining to a future investor or buyer.