Upsell Articles — Atticus Li

Atticus Li

Blog · Tag

Upsell

Articles exploring upsell through the lens of behavioral science and experimentation. Practical frameworks for growth leaders who measure in revenue, not vanity metrics.

2 articles

thank you page Mar 28, 2026 9 min read

The Thank You Page Opportunity: Post-Conversion Psychology Most Marketers Waste

Discover why the thank you page is the most underutilized asset in conversion optimization. Learn the behavioral science of post-decision psychology, commitment escalation, and how to turn confirmation pages into growth engines.

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The Thank You Page Opportunity: Post-Conversion Psychology Most Marketers Waste

expansion revenue Mar 28, 2026 8 min read

Expansion Revenue: Why Growing Existing Accounts Beats Acquiring New Ones

Acquiring a new customer costs 5-7x more than expanding an existing one. This article examines the unit economics of expansion revenue, the behavioral triggers that signal upsell readiness, and why the best SaaS companies generate more revenue from existing customers than from new logos.

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Expansion Revenue: Why Growing Existing Accounts Beats Acquiring New Ones

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