Andrew Lauchner

Free tools

Tools and books I built for retention work. Use them on yours.

Each one does one job, and none of them needs a call with me. Two run in your browser, one arrives by email, and four are books.

  • New · Generator

    The First Email

    The first email in your welcome flow, written the way a person would write it. Fill in a few fields and get plain HTML with one question and one link, plus the sending checklist behind it.

    Runs in your browser · no sign-up to use it

    Open the generator
  • Calculator

    Retention Leak Calculator

    Three numbers you already know. It shows the revenue sitting in your one-and-done customers, what five and ten points of repeat rate are worth, and the three places I’d look first.

    Runs in your browser · your numbers stay there

    Open the calculator
  • Five emails

    The Flow Ledger

    Five emails, each one a query you run on your own Klaviyo account and the arithmetic to read the answer: revenue per recipient by flow, dead flows, cohort economics and the holdout.

    By email · five, then it stops

    See the five
  • Book

    The Second Order

    Twenty-four chapters on turning first-time buyers into second-time buyers: the audit, the cohort tables, the build order, and what a second order is actually worth.

    Free to read · no form

    Read it
  • Book

    Close the Loop

    The sequel: how customers bring the next customer. PayPal, Dropbox, Whatnot, Binance and OVRLND taken apart, seven calculators, and a thirty-day plan to build your own loop.

    Free to read · no form

    Read it
  • Book

    The First Offer

    Volume three: the offer that wins a stranger decides the customer you get. The research on first discounts, Blue Apron and JCPenney taken apart, eight calculators, and a thirty-day plan for a new first offer.

    Free to read · no form

    Read it
  • Book

    The Whole Machine

    Start here: the fundamentals of DTC growth, from contribution margin and creative to deliverability, flows and cohorts. Casper and Allbirds taken apart, eight calculators, and a ninety-day plan.

    Free to read · no form

    Read it

If one of these turns up something you want a second pair of eyes on, email me.