REPSShield (AI-Powered Real Estate Tax Compliance)

REPSShield is a purpose-built SaaS platform protecting real estate investors' IRS Real Estate Professional (REP) status under Section 469(c)(7). Qualifying professionals can save $50,000+ annually in taxes by deducting unlimited rental property losses -- but compliance requires 750+ hours of documented real estate activity, material participation, and meticulous recordkeeping. Three AI Modes: • Agentic Time-Tracking — AI auto-classifies real estate activities, validates entries against IRS requirements, and provides real-time logging with voice-to-text support • RAG Advisory — Retrieval-augmented generation over 282 IRS documents, enabling natural-language queries about tax compliance with source citations • 14-Check IRS Examiner Simulation — Runs a comprehensive audit simulation mirroring actual IRS examination procedures to identify compliance gaps before they become problems Key Features & Capabilities: • Multi-Provider Circuit-Breaker Failover — Automatic failover across AI providers ensures zero downtime for compliance-critical operations • Calendar Sync — Google Calendar integration for automatic activity capture and hour tracking • Stripe Billing — Subscription management with usage-based pricing tiers • Mobile Apps — Native iOS and Android apps via Capacitor.js for on-the-go time tracking • Audit-Ready Reporting — Professional, IRS-formatted reports with real-time dashboards and goal tracking • CPA Collaboration — Secure sharing, role-based team management, and export formats for accounting firms Technical Stack: React 18 frontend, Node.js/Express backend, TypeScript throughout, PostgreSQL 16 (Neon) with Drizzle ORM, Vercel AI SDK v4 for multi-provider AI integration, Stripe for payments, Capacitor.js for mobile, Astro 5 for the marketing site, Cloudflare Workers for edge functions, and Trigger.dev for background jobs. Impact: Protects millions in tax benefits for real estate professionals -- reducing audit anxiety, saving time, and delivering up to 130x ROI for individual users and major efficiency gains for accounting firms.