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Fictional case · Fitness

IronForge Strength Club

Replacing low-price access with structured coaching cohorts

For gym, studio and fitness business owners5-minute summaryUpdated September 2026

IronForge, its owner Alex, customers and all figures are invented; the competitor price is not market research, and no health outcomes are claimed.

Alex runs IronForge, an independent strength gym competing with franchises that charge A$10 a week for access. He has matched their price, added classes to retain members, and filled the gap by working an 80-hour week. When a 47-year-old accountant asks about returning to exercise and walks away undecided, he sees a different problem to solve: a practical way back into training. His answer is a six-week coaching cohort for busy professionals over 40.

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What the case found

  • Matching A$10 access left the owner as the missing labour. The price cannot cover the promised service, so Alex coaches, cleans and answers messages himself—and the business cannot afford to replace him.
  • A full cohort pays; a half-full one doesn’t. Twelve participants at A$600 contribute A$4,440 before premises costs. Two full cohorts leave A$2,880 after A$6,000 of shared overhead; at ten each, only A$780; at eight each, a A$1,320 loss.
  • The Price Trap changes shape. Matching a competitor’s A$480 programme—a 20% cut—eliminates the entire A$2,880 surplus, and adding participants would breach the twelve-person cap the customer paid for.
  • Prepaid cash is not earned revenue. In the first six weeks, A$14,400 in prepayments sits in the bank, but only A$210 has been earned after costs, because A$3,600 relates to sessions not yet delivered. If a replacement cohort fails to launch, one full cohort leaves an A$1,560 shortfall.
The structural question

Can IronForge reach enough of the right customers at a viable cost—and run the programme without Alex teaching every session?

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The Founder’s Trap book cover
Read with the bookChapters 1–3 (blue oceans, non-customers and testing the offer’s economics), 5 (the Price Trap) and 7 (the Fragility Trap). It also uses the PMS Map (Chapter 4) and the nine blocks (9).
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Inside the full case study

The BMC radarThe existing gym block by block, and the two relationships the pivot must repair.
A different value curveThe Strategy Canvas, Four Actions and the three tiers of people who avoid gyms.
The cohort economicsAcquisition cost, contribution per cohort, the overhead test and the Price Trap, in tables.
A controlled change of modelTransition cash, the absence test for a second coach and five gates to pass before converting.

Key ideas in this case

  • Three tiers of noncustomers — people who join and lapse, people who deliberately avoid gyms, and people who have never considered coached training; behaviour, not age, defines each tier.
  • The Price Trap — when a small price cut erodes far more profit than the extra sales can recoup.
  • Cash received versus revenue earned — upfront payments improve visibility, but funds for sessions not yet delivered are not free to spend.

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