When a customer says "we'll just build this," most CSMs argue back. The ones who win ask one question first. This guide covers the three types of build objection, the technical and financial realities customers aren't seeing, and exactly how to structure the conversation — including the AI substitution objection that's showing up everywhere right now.
Read on Substack →Ask before you respond: "Are you thinking about an internal engineering project — or using AI tools to approximate this?" Three types, three different conversations.
"I want to walk you through two lenses — the technical reality and the financial reality — and show you how they connect. Most teams are only fully seeing one side."
Walk through what the build actually requires, starting with the track the customer is underweighting. 78–80% of lifetime software cost happens after launch.
Show how technical and financial realities compound each other. A spreadsheet missing both isn't wrong by a little — it's wrong by a multiple.
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