Development billing spans one-off builds, sprint-based engagements, and recurring maintenance — often for the same client in the same month. The invoices that get paid without questions are the ones that mirror how the work was scoped: milestone names from the proposal, sprint numbers, ticket references.
This template handles all three modes. Bill a site build by milestone, agency overflow by sprint, and care plans as a recurring line with the period stated. Keep third-party costs (hosting, plugins, APIs) as transparent pass-through lines.
| Item | Description |
|---|---|
| Milestone 2: CMS build | Custom post types, editor training, staging deploy |
| Sprint 14 | 2-week sprint, agreed velocity, board reference |
| Annual hosting & licenses | Hosting, CDN, premium plugin renewals at cost |
| Maintenance plan | June 2026: updates, backups, uptime monitoring |
Invoice on staging delivery, not production launch — launches slip for reasons that aren’t yours.
Renew maintenance plans annually with a single invoice; monthly invoicing of small amounts wastes everyone’s time.
Reference commit ranges or ticket IDs for T&M work; it eliminates "what did we pay for" emails.
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Fixed price per milestone for defined builds, hourly for open-ended or legacy work. The decisive factor is who carries scope risk — price it accordingly and state the mode on the invoice.
As a recurring line naming the covered period and what is included (updates, backups, monitoring, response time). Annual billing with a small discount beats chasing twelve small payments.
Pass them through at cost as separate lines, or bundle them into a care plan price — but never silently absorb them.
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