# Starter Dough — Business Invoicing & Financial Operations Suite

> Starter Dough by LoafPickle Worldwide (https://billing.loafpickle.com) is a high-performance, privacy-first web application designed for freelancers, independent contractors, agencies, and small businesses to generate professional PDF invoices and purchase orders, log income and expenses, and estimate tax obligations with 100% client-side data privacy.

## Core Capabilities
- Unlimited Invoice Generation: Create, preview, and download polished PDF invoices with line items, tax rate controls, discount logic, and custom payment instructions completely free.
- Purchase Order (PO) Management: Draft and export vendor-ready Purchase Orders with structured item tables and delivery terms.
- Financial Ledger & Expense Tracking: Log business revenue and expenses, categorize transactions, and track operational margins without standard server logging.
- Tax Estimate Calculator: Real-time quarterly tax estimations calculated locally based on your logged revenue, expenses, and self-employment status.
- Passkey & Local Storage Privacy: Zero mandatory sign-up. All transaction records and client details remain encrypted on your device using WebAuthn passkeys and standard browser storage.
- Starter Dough Pro Upgrade: Optional lifetime upgrade ($29 one-time) providing automated cloud sync across devices, Stripe Live integration, crypto payment acceptance (USDT, USDC, BTC, ETH), custom branding presets, and advanced ledger export features.

## Canonical Resources
- Web Application: https://billing.loafpickle.com
- Full Documentation: https://billing.loafpickle.com/llms-full.txt
- Developer & Publisher: LoafPickle Worldwide