Tool Selection & Stack Builder

Overview

Choosing GTM tools is the most expensive decision most teams make — not because tools are expensive, but because the wrong stack wastes months of productivity. This skill builds stage-appropriate tool stacks with cost breakdowns and clear rationale for every choice.

Automation strategy: Load references/gtm-automation-expert-playbook.md (Jen Igartua) for maturity assessment before adding tools. Clay = enrichment; n8n = orchestration; Cargo category = persistent routing at scale — see playbook decision matrix.

Authoritative Foundations

• Jen Igartua (Go Nimbly) — Must-have basics / performance boosters / delighters stack layering — Must-have basics / performance boosters / delighters stack layering
• Jesse Ouellette Lean Stack — Named methodology governing recommendations in this skill's process.
• Eric Nowoslawski Agency Stack — Cold email infra at scale — 2 inboxes/domain, backup inboxes, Creative Ideas testing.
• HubSpot Academy — CRM Automation — Lifecycle stages, object model, and workflow enrollment patterns.