AI Founder Weekly

Marc Lou answers the MailCheap conversion dunk

Matt McGarry called MailCheap's 23 active customers the worst conversion rate of all time. Marc Lou's answer: DataFast took three months to reach $1k MRR and sits at $30k now.

Real money

Marc Lou says MailCheap will hit $1k MRR in under two weeks

Marc Lou answered a public dunk on MailCheap's conversion rate by saying it should reach $1k MRR in less than two weeks if growth stays linear, six times faster than DataFast did. Matt McGarry had pointed at 23 active customers against the attention the launch got and called it the worst conversion rate of all time.

Matt McGarry
@JMatthewMcGarry
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That has to be the worst conversion rate of all time.
Oct 21, 2026 · View on X

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Stolen playbooks

Steinberger moved a frontend off Lit to Solid in 600 agent PRs

Peter Steinberger says he kicked off an agent loop two weeks ago that moved OpenClaw's Lit web frontend to Solid 2.0, taking about six days to remove Lit and another week to make the patterns idiomatic, across roughly 600 PRs. He checked in every other day and found only tiny regressions, mostly button shapes and slight UX.

Peter Steinberger 🦞
@steipete
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Technical dept is can be counted in token now.
Oct 20, 2026 · View on X

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What changed under us

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Founders building with AI, every day. Real revenue, real pricing, real launches and what they would redo. No hype sludge. Every number links out.