No fluff. Each post is a step-by-step Klaviyo playbook with the formulas, worked examples and a free calculator so you can run your own numbers in a minute.
BS&Co’s 156k-customer timing data, the median vs mean trap, vertical windows and how to time your flows.
8 min read →Shopify’s formula, DTC Playbook bands by vertical, nCAC, cohort contribution and the email levers that shorten payback.
8 min read →The DTC band, revenue vs margin LTV, the payback check, and the email levers that move the ratio.
7 min read →Bluecore’s 27.4% average, the category table, Decile’s cohort data and how to measure your own number.
7 min read →Klaviyo’s formula, the 2026 averages, the AOV band table, and 8 tricks to lift your number.
8 min read →Return multiple vs ROI, the full cost stack, attribution traps and three worked examples.
7 min read →Revenue ROI vs profit ROI vs incremental ROI, the forgotten costs, and worked examples.
7 min read →The 3 denominators, verified 2026 benchmarks, and 7 fixes for a flow that underperforms.
7 min read →Verified 2026 CTOR medians for ecommerce, the Apple Mail trap, and 8 tricks to get more clicks per open.
8 min read →Why most growth benchmarks are unsourced, your break-even growth rate, and 8 tricks to grow faster.
8 min read →The 16-hour window, why skipped emails never come back, and which flows to switch it off on.
8 min read →Free-shipping gap emails, bundles from real cart data, spend tiers and upsells, with the margin maths.
8 min read →Find each product’s real reorder window, the send-day formula, follow-ups and the Klaviyo build.
8 min read →The exact trigger, delay, inventory and batch settings, plus the form, SMS and copy for restock alerts.
9 min read →What Klaviyo does with each bounce type, the 7-in-a-row rule, healthy rates and a monthly cleanup routine.
8 min read →Klaviyo’s own significance thresholds, the sample size formula, a cheat sheet and fixes for small lists.
8 min read →Seven copy-ready post-purchase builds with triggers, splits and timing, from thank-you to replenishment and VIP.
8 min read →Real cost per text, 2026 benchmarks, a break-even formula and a 30-day test to decide if texting pays for your store.
8 min read →Trigger, filters, timing and a 2-email structure for the flow that catches window shoppers before they buy elsewhere.
8 min read →The exact segment, goodbye emails, grace period and suppression steps to drop dead profiles safely.
8 min read →Trigger, filters, timing and discount rules for a cart flow that recovers revenue without training buyers to wait for a code.
7 min read →The benchmark ranges, the attribution traps, and the six levers that move your email revenue share fastest.
7 min read →Klaviyo charges for active profiles, not list size. Suppress the dead weight the right way and pay for people who buy.
7 min read →Find your real lapse window, tier the offer by customer value, and hand non-responders to a sunset flow.
7 min read →Monthly value, profit value and lifetime value per subscriber, and how to use them to set your pop-up and ad budgets.
7 min read →Which costs belong in the formula, how to set a profit target, and why repeat orders from email change what you can pay for a customer.
7 min read →Measure it properly, then nine post-purchase, replenishment and SMS tactics that turn first-time buyers into repeat customers.
7 min read →SPF, DKIM, DMARC, one-click unsubscribe and the 0.3% spam line, in plain English, with the exact Klaviyo and Shopify steps.
7 min read →We build and run Klaviyo email & SMS retention for Shopify brands and get paid on results.
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