Customer Billing Ops Use this skill for real customer operations, not generic payment API design. The goal is to help the operator answer: who is this customer, what happened, what is the safest fix, and what follow-up should we send? When to Use - Customer says billing is broken, they want a refund, or they cannot cancel - Investigating duplicate subscriptions, accidental charges, failed renewals, or churn risk - Reviewing plan mix, active subscriptions, yearly vs monthly conversion, or team-seat confusion - Creating or validating a billing portal flow - Auditing support complaints that touc…