Content: # Buy, Build, or Wire: A Decision Lens for AI Sales Investments
When evaluating AI for the sales team, leaders face a critical choice: buy off-the-shelf, build a custom LLM, or wire together APIs.
This article provides the buy, build, or wire lens to choose the right path for your use cases.
What We'll Cover
- The AI architectural dilemma
- Option 1: Buy
- Option 2: Build
- Option 3: Wire
- The decision matrix: cost, control, speed
Understanding the Approach
The buy, build, or wire framework matches technical complexity to strategic value.
Example: For call summarization, you buy a tool. For proprietary pricing optimization, you build. For intent-to-email workflows, you wire.
Why This Matters
A decision lens prevents over-engineering.
- Before: Teams buy another SaaS tool by default. After: Teams evaluate TCO and flexibility.
- Before: Engineering rebuilds existing tools. After: Engineering focuses on high-value projects.
- Before: The stack becomes rigid. After: The stack becomes composable.
The Complete Guide
Scenario 1: When to Buy
Objective: Speed to value.
Actionable Advice: Buy for commoditized tasks like transcription and CRM entry.
Scenario 2: When to Build
Objective: Protect competitive advantage.
Actionable Advice: Build only when proprietary data creates a moat.
Scenario 3: When to Wire
Objective: Create custom workflows without code.
Actionable Advice: Use integration platforms for specific workflows.
How to Implement This
RevOps leads evaluation with IT and Engineering. Leadership defines requirements; RevOps determines the technical path.
Next Steps
Use this lens for your next AI project.
When evaluating AI for the sales team, leaders face a critical architectural choice: do we buy an off-the-shelf product, build a custom LLM, or wire together existing APIs?
Making the wrong choice leads to wasted spend or getting locked into an inflexible vendor. This article provides the Buy / Build / Wire decision lens to help RevOps leaders choose the right technical path for specific AI use cases.
What we’ll cover
- The AI architectural dilemma
- Option 1: Buy (off-the-shelf SaaS)
- Option 2: Build (custom models + engineering)
- Option 3: Wire (connect APIs + no-code)
- The decision matrix: cost, control, and speed
Understanding the approach
The Buy / Build / Wire framework helps teams match the technical complexity of a solution to the strategic value of the problem.
Example mapping:- Buy: Standard call summarization (high speed, low control needed)
- Build: Highly proprietary pricing optimization engine (low speed, high control needed)
- Wire: Automated intent-to-email workflow (medium speed, medium control)
Why this matters
A structured decision lens prevents over-engineering simple problems and under-investing in strategic differentiators.
- Before: Teams default to buying another tool for every problem. After: Teams evaluate total cost of ownership and flexibility first.
- Before: Engineering rebuilds tools that already exist. After: Engineering focuses on proprietary, high-value projects.
- Before: The stack becomes a rigid monolith. After: The stack becomes composable.
The complete guide
Scenario 1: When to buy
Objective: Speed to value for commoditized tasks. Actionable advice: Buy off-the-shelf solutions for tasks like call transcription, basic email drafting, and CRM data entry. Don’t build these internally.Scenario 2: When to build
Objective: Protect competitive advantage. Actionable advice: Build only when the workflow relies on highly proprietary data and creates a durable moat (e.g., a complex custom quoting engine).Scenario 3: When to wire
Objective: Create custom workflows quickly without heavy engineering. Actionable advice: Use integration platforms (e.g., Zapier/Make) to connect APIs when you need a specific workflow that off-the-shelf tools don’t support natively.How to implement this
- Sales leadership: Defines business requirements and success criteria.
- RevOps: Owns the decision and recommended architecture.
- IT / Engineering: Partners on Build/Wire scenarios for security, reliability, and scale.
Next steps
Use the Buy / Build / Wire lens for your next AI project.
Pick your top AI initiative right now and answer:
- Is it a commodity task you should buy?
- Is it a differentiator you should build?
- Is it a workflow you should wire?
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About the Author
Alex Margarit, Sales AI Expert, SaaS Sales Leader, BMC, ServiceNow, Docusign — 25+ years in SaaS sales.
