J-Curve vs Non-J-Curve: Choosing A Business Model
- Difficulty
- Easy
- Time to result
- ~days to results
- Steps
- 5
- Confidence
- —
Priestley offers a decision rule for anyone choosing what business to start. A J-curve business loses money before it makes money — the shape of the cash flow is a J. Software, restaurants and content channels are naturally J-curved: you spend heavily upfront and need volume at a low per-unit price before you break even. A non-J-curve business, such as consulting, can be profitable from the first client because overheads are near zero and each sale is worth thousands to tens of thousands. The diagnostic is the sales process: frictionless sales — free trials, free content, a thirty-pound restaurant bill — imply a J curve; a sale that requires you to sit down and convince someone to part with a sizeable sum implies no J curve. Most public entrepreneurial narratives describe J-curve businesses, which is why people wrongly assume all businesses require years of unpaid grind.
Origin
Extracted from Deep Dive with Ali Abdaal
How to run it
- 1
Describe how a single sale would actually happen
Walk through the transaction end to end. Does someone click a free trial and later convert at ten pounds a month, or do you sit across a table and present a scope of work? That description, not the industry label, determines the curve.
- 2
Classify the model
Frictionless, low-ticket, volume-dependent sales mean a naturally occurring J curve. Anything involving a sales process at thousands to tens of thousands per sale is normally a non-J-curve business.
Pro tip Content and YouTube channels are J curves even at zero cash spend, because time is the sunk investment.
- 3
Size the trough and the break-even threshold
For a J curve, calculate what volume you need to cross zero — five thousand subscribers to break even, ten thousand to profit; a restaurant's covers at thirty pounds a head. Name the number before you commit.
Watch out If you cannot state the break-even volume, you cannot know whether the trough is survivable.
- 4
Check the trough against your actual runway
Priestley's point is that people abandon J curves not because the model fails but because they are sinking years of time while studying or working full-time and see no return. Match the model to the runway you genuinely have.
Pro tip The dip is where compounding is being built — but only if you can afford to stay in it.
- 5
If you need income now, choose a model with a sales process
Consulting was Priestley's example: one client at eighty grand a year, almost no overhead, profitable from day one; four clients and you are at hundreds of thousands. His friend doing fashion supply-chain consulting makes money from day one with no audience at all.
Pro tip A non-J-curve business can later be productised into a boutique of three to twelve people delivering together.
Watch out You are accepting a harder sale in exchange for immediate cash — that is the trade, not a free lunch.
In the wild
Ali describes a university friend who loves fashion, understands supply chains and can code. He sells consulting engagements to fashion companies for very large sums — an initial fact-find scope, then a presented piece of work that can grow into a boutique team. He has no audience, no YouTube channel and no product launch. Because every sale involves sitting down and convincing someone to part with a sizeable amount, there is no J curve and he has been profitable from the first engagement.
→ Profitable from day one with no audience, no build phase and almost no overhead.
A student starts a YouTube channel while holding a full-time job. No money is spent, so the curve looks flat — but the sunk cost is hundreds of hours before the monetisation threshold. Ali notes creators get discouraged precisely here, because they are pouring in time with no return while comparing themselves to consultants who earn from day one. The assets keep compounding, and once the threshold is crossed the uptick is steep, but only survivors see it.
→ Years of unpaid build followed by compounding assets — a J curve denominated in time rather than cash.
Common mistakes
Assuming every business needs a grind phase
Business podcasts overwhelmingly profile J-curve companies, so people conclude two years of free work is mandatory. Priestley's point is that you only owe that if the model you chose is a J curve.
Starting a J curve with no runway
Choosing a volume-dependent, low-ticket model while needing income within months guarantees you quit inside the trough, which is indistinguishable from the model failing.
Ignoring time as an investment
A zero-cash content business still has a J curve — the currency is hours. Treating it as costless leads to underestimating how long the loss-making phase really is.
From the transcript
“a J curve is where it loses money before it goes up”
“so A J curve business normally relies on almost a frictionless sale”
“anything that involves a sales process is normally a non-j curve business”
From the episode
How Anyone Can Develop The Mindset Of A Multi-Million Dollar Entrepreneur - Daniel Priestley
Daniel Priestley