Many small teams avoid guarantees because they fear abuse, margin erosion, or fulfillment headaches. This episode builds the “Micro‑Guarantee Lab”: a pragmatic, privacy-first routine that helps teams craft narrow, time‑boxed guarantees that remove buyer friction, measure lift, and include conservative operational gates so risk stays contained. Lyric opens with a founder vignette where a 7‑day micro‑guarantee turned hesitant shoppers into customers and produced repeat buyers. Nova explains the smallest useful signals to monitor (redemption rates by cohort, repeat-redeem risk bands, seller confidence tags) and conservative retention rules. Stryker details scrappy technical patterns—ephemeral evidence clips, one-click refund tokens, local-first validation rules, and safe webhooks for suggest-only auto-refunds. Pulse closes with a 21‑day pilot: owner roles, KPIs (conversion delta, net margin impact, redemption rate), and exact rollback triggers. Listeners leave with three deployable guarantee templates, test cohorts, and a pilot checklist at apexblue.com/micro-guarantee-lab.