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Intermediate ~18 hours

Lifecycle Email Program

Design and ship a lifecycle email program — welcome, activation, upsell, win-back. Measure each step.

Customer.io or Loops or KlaviyoSQL for segmentation

About this project

Lifecycle email is the highest-ROI marketing channel. This project teaches: customer-stage modeling, message-to-stage mapping, A/B testing, and the deliverability craft. Build it on a real tool (Customer.io, Klaviyo, Loops) and ship to real users.

Why build this in 2026?

Lifecycle marketing has higher ROI than paid in most B2B SaaS. Under-staffed at most companies.

What you'll ship

  • Live email program (10+ messages)
Performance dashboard
A/B test results

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Skills you'll practice

marketingsqlab testing