Most SaaS founders have a mental model of expansion that looks like a pricing ladder.
Starter tier at $200. Growth tier at $500. Pro tier at $1,000. Enterprise on request. Each rung is a little higher than the last, and the assumption is that customers climb the ladder slowly, one rung at a time.
That model is fine. It's also leaving most of the expansion revenue on the table.
The problem with the ladder model is that it imposes a ceiling based on your existing pricing structure. A customer on the $500/mo tier can only expand to the $1,000/mo tier. That's the next rung. The maximum expansion per customer, per event, is $500/mo.
But that ceiling is entirely artificial.
The asset in an expansion conversation isn't the contract value — it's the trust. A customer who has been with you for 12 months, gotten real results from your product, and has a strong relationship with your team has already done the risk calculation once. They decided you were worth betting on. The second purchase is made in a completely different psychological environment than the first.
Which means the second purchase can be a completely different size.
A $500/mo SaaS customer is a candidate for a $4,000 implementation engagement. Not because the implementation is related to their tier — it's not even in the same pricing category. It's a one-time service at a price point that would have been a non-starter at contract signing. But 12 months in, with proven results and established trust, it's a very different conversation.
That same customer is a candidate for a $15,000 strategic advisory retainer. For an adjacent product at $750/mo — more than their original contract. For a done-for-you managed service at $2,000/mo. For forward deployed engineers embedded in their operation at $1,500/mo who become load-bearing infrastructure and make the customer functionally unable to churn.
Expansion is not a ladder. It's a surface. You can move up, sideways, deeper, or inward. Up is a higher tier. Sideways is an adjacent product. Deeper is a managed service or done-for-you offering. Inward is embedding your people or your process so deeply in the customer's operation that the relationship becomes structural.
The inward move is the most powerful and the most underutilized. When you're structurally embedded, churn isn't just expensive for the customer — it's disruptive. They'd have to replace not just your software but the people, the processes, and the institutional knowledge that came with it.
That's not lock-in in a predatory sense. It's value delivery that compounds. Every hour your people spend inside a customer's operation makes the relationship more valuable for both sides.
Price accordingly.
Lincoln Murphy formally named and popularized Customer Success starting in 2010 and has spent 15 years connecting it to expansion revenue and commercial outcomes. Read The Premise.