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Glossary

Build-Your-Own Box

Also known as: BYOB

A build-your-own box (BYOB) is a subscription in which the customer assembles their own recurring box from a set of eligible products each cycle — for example choosing which coffee bags go in this month's shipment — usually within a per-item limit and before a billing cutoff.

BYOB gives subscribers agency: instead of receiving a fixed set of products, they pick what goes in each box from an allowed selection. It's popular in coffee, snacks, beauty, and pet categories because it keeps the box feeling fresh and personal, which is one of the strongest levers against churn from 'I got bored of it'.

The mechanics that make BYOB work are a per-item limit (choose any 3 of these 12) and a cutoff — the point before the recurring charge is created when the customer's selection is locked in. Without a cutoff, you can't reliably fulfill what was ordered.

Curobi supports BYOB natively with enforced per-item limits and a billing cutoff, so the box is locked before the recurring charge is created. It's available on Curobi's Pro plan, alongside curated and one-time boxes.

Related terms

  • Curated Box — A curated box is a subscription box whose contents the merchant selects and rotates on a schedule — the customer subscribes to the experience and the merchant decides what ships each cycle, such as a monthly coffee sampler that changes every month.
  • Subscription Box — A subscription box is a recurring package of physical products delivered on a schedule — weekly, monthly, or another cadence — which the merchant either curates or lets the customer build, and which the customer pays for automatically each cycle.
  • Mix & Match — Mix & match is a bundling model that lets a customer combine several products of their choice into one purchase or subscription at a set bundle price or discount, rather than being limited to a single fixed product or a pre-set bundle.
  • Churn — Churn is the rate at which subscribers cancel or lapse over a given period — the share of recurring customers a business loses — and it is the single most important number in a subscription business because retained revenue compounds while churned revenue must be re-acquired.

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