# Skill: Invoice Generator

**Agent:** Friedrich (Finance)
**Purpose:** Automated invoice creation and tracking
**Category:** Financial Operations

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## Build Steps

### 1. Invoice Creation
- Pull deal details from HubSpot (client name, amount, service type, date)
- Generate invoice with: LP branding, unique invoice number, payment terms, line items
- Support payment methods: Stripe link, PayPal link, bank transfer details

### 2. Delivery
- Auto-send invoice via email on deal close
- CC Friedrich for tracking
- Follow-up reminder at: 7 days, 14 days, 30 days if unpaid

### 3. Tracking
- Log: invoice number, client, amount, date sent, date paid, payment method
- Calculate: total outstanding AR, average days to payment, collection rate
- Flag overdue invoices (7+ days) for Rick to follow up

### 4. Integration
- Stripe webhook: auto-mark paid when Stripe payment received
- PayPal IPN: auto-mark paid when PayPal payment received
- Manual: Friedrich marks paid for bank transfers

## Templates
- One-time project invoice (Starter, Standard, Premium)
- Retainer invoice (monthly recurring)
- OpenClaw setup invoice (Track 3)
- Beta pilot invoice (Option A: $500 + infra costs)