Build an AI tax deduction finder app for freelancers and self-employed workers. Features: 1) Expense import: import transactions via CSV upload or manual entry with date, amount, category, vendor, and description, 2) AI deduction analysis: AI reviews each expense and flags potential tax deductions you might have missed, with explanations of why it qualifies, 3) Deduction categories: organize expenses into IRS categories (home office, equipment, travel, meals, education, software, health insurance, retirement), 4) Missed deduction alerts: AI proactively suggests deductions based on your profession (designer, developer, consultant, photographer) and spending patterns, 5) Deduction tracker: running total of identified deductions with estimated tax savings per category, 6) Audit risk indicator: AI flags expenses that might raise audit concerns and explains documentation needed, 7) Quarterly estimate helper: calculate quarterly tax payments based on deducted income, 8) Document vault: store receipts and invoices linked to each expense, 9) Year-end export: generate a categorized expense report ready for your accountant or tax software. Use a clean finance UI with deduction cards, savings counters, and category breakdowns.