Free Guide

    The Shopify Inventory Playbook

    Every formula a merchant needs to stop guessing — safety stock, reorder points, order quantities, forecast accuracy, and true-margin pricing — worked examples included, plus the monthly planning loop and Q4 checklist to run them on. Free PDF, sent to your inbox.

    What's inside

    • The five numbers that run your store: velocity, lead time, safety stock, reorder point, true margin
    • Safety stock & reorder points — the formulas with worked examples and a Z-score table
    • How much to order: EOQ, MOQs, and days-of-cover targets
    • Scoring your forecast: WAPE, MAPE, and bias, plus what counts as good
    • True-margin pricing: the checklist of costs that silently eat your profit
    • The monthly demand-planning loop — a printable 5-step checklist
    • Q4 readiness: the 10 things to verify before peak season

    Get the playbook (free PDF)

    Every formula on this site with worked examples, plus reorder, pricing, and forecast-accuracy checklists you can run monthly.

    No spam — just the playbook and an occasional inventory tip. Unsubscribe anytime.

    Frequently asked questions

    What is the Shopify Inventory Playbook?

    A free PDF guide from Yeer covering the core math of inventory for Shopify merchants: safety stock, reorder points, EOQ, forecast accuracy scoring, and true-margin pricing — each with worked examples — plus monthly and Q4 checklists you can run as-is.

    Is it really free?

    Yes. We ask for your email so we can send it and occasionally share genuinely useful inventory tips. No spam, unsubscribe anytime.

    Who is it for?

    Shopify and ecommerce merchants who manage their own inventory — especially stores between roughly 50 and 5,000 SKUs where spreadsheet planning starts breaking down.