FROM THE BOOK

Monetizing Agentic AI

Chapter 9 · The Hail Mary: How to Rearchitect Your SaaS Company's Model
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Move Existing Customers to the New Model

Your existing customers will not move on their own, and most of your revenue is sitting in their contracts. That is the fact that makes this the most dangerous phase of the entire transition. You have three options: grandfather them on the old deal, give them a reason to move, or force the move. Teams agonize over how hard to push, and that is the wrong question. How hard you can push is downstream of one thing: whether the new model is genuinely better than the old one. If it is, migration is a matter of sequencing. If it isn't, no incentive structure or deadline will save you, and pushing will cost you the accounts you most need to keep.

Intercom understood this and acted on conviction. It priced Fin at $0.99 per resolution knowing customers would have paid far more, deliberately leaving money on the table to make adoption an easy yes. Then it did the hard thing: it reworked its legacy pricing and let tens of millions in existing revenue burn to force the migration. McCabe was unflinching about the logic, writing that the only way forward runs through the destruction of your past. That is not a strategy you copy. It is a bet you can only make once the product has earned it, and Fin had. The outcomes were real and provable before the new price ever went live. That sequence is not incidental. It is the whole point: you earn the right to migrate by delivering the value first, then you let the old model go.

Customer Success carries the weight of execution here, and the stakes are concentrated in their hands: which accounts to approach first, in what order, and what to say when a customer asks the question that decides the renewal, is my bill going up. The largest customers, the ones you grandfathered, come back at renewal on the new terms, and some will push back hard and some will leave. Losing a marquee account is a real cost, not a rounding error. You accept that risk only because by the time those renewals arrive, the model has already proven itself across the rest of the base, and you are negotiating from evidence rather than hope.

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