Feature spec
Goal: Send a clear invoice after finishing a job.
- Add a client, line items, a due date, and payment instructions.
- Preview the total before exporting a PDF.
- Keep an editable draft if export fails.
App Overview
ThriftHaul: Profit Identifier
Stop guessing
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.7
40 ratings · Top 15%
Evidence scope: No current overall US chart position is available. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.
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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What's included18 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
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Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Screen plan
Invoice editor: Client at the top, editable line items in the middle, total and preview action at the bottom.
States: Empty draft, validation errors beside each field, exporting, and a retry action that preserves the draft.
Differentiate and validate
Hypothesis: Contractors need faster repeat invoices more than more templates.
First experiment: Test duplicating a previous job with five contractors. Watch where they hesitate before expanding the feature set.
The full kit adds a phased build plan, evidence notes, tool prompts, and implementation guidance. It is a plan for your coding agent, not a finished app.
Usage: Mechanics are fair game; never reuse the original name, branding, assets, or verbatim copy.
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Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for ThriftHaul: Profit Identifier: map the core Shopping workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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Opportunities
AI-GENERATED OPPORTUNITY HYPOTHESES
These are generated suggestions, not verified review quotations. Check current App Store reviews and speak with users before treating a possible gap as a requirement.
Hypothesis 1
Enhance scanning to recognize more item categories.
Assumption to check: Limited scanning capabilities for different item types.
Validate with people who use this workflow before building.
Hypothesis 2
Implement machine learning for better price estimation.
Assumption to check: Occasional inaccuracies in profit calculation.
Validate with people who use this workflow before building.
Hypothesis 3
Add social sharing options to engage users.
Assumption to check: Lack of social features for sharing finds.
Validate with people who use this workflow before building.
Hypothesis 4
Introduce a feature for batch scanning multiple items.
Assumption to check: No option for bulk scanning of items.
Validate with people who use this workflow before building.
App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
App Store description
Stop guessing. Know the value before you buy. Thrift with confidence. ThriftHaul is the AI-powered resale profit scanner built for thrift flippers, vintage/antique hunters, and secondhand sellers who want real numbers before they spend a dollar. Point your camera at anything — a jacket, a handbag, a piece of vintage furniture — and get the resale value, demand score, and platform recommendations in seconds. No more Googling. No more guessing. HOW IT WORKS 1. Snap a photo of any item 2. ThriftHaul's AI identifies brand, material, condition & era 3. We pull live market comps from eBay in real time 4. Get instant resale pricing: low / average / high 5. See where to sell — eBay, Poshmark, Depop, Mercari & more 6. Save to your collection and track real profit over time WHAT YOU GET IN EVERY SCAN • Estimated resale value with price range bar • Live market comps — real active listings, pulled fresh from eBay every scan • Demand meter — know if buyers are actively looking • Condition assessment from your photos • Best platforms to list for maximum profit LIVE MARKET DATA ThriftHaul doesn't just guess. Every scan pulls active listings from eBay in real time so you see what the market is actually charging right now — not last year's prices, not a stale database. Tap any item to view the full listing. YOUR COLLECTION Every item you save goes into your personal collection. Log what you paid. Log what you sold it for. ThriftHaul calculates your real profit margin automatically. Your Analytics dashboard shows: • Total profit & revenue over any time period • Cumulative profit chart • Recently sold items with platform & margin Turn your side hustle into something you can actually measure. BUILT FOR • Thrift store shoppers at Goodwill, Salvation Army & Value Village • Estate sale & garage sale hunters • Vintage resellers and clothing flippers • eBay, Poshmark, Depop & Mercari sellers • Collectors who want to know what their finds are worth • Side hustlers turning secondhand into income WHY THRIFTHAUL WINS Most resellers waste hours cross-checking eBay sold listings, Reddit threads, and gut instinct. ThriftHaul does all of that in seconds. Our AI recognises brand labels, vintage eras, material quality, and market signals — then cross-references live eBay listings to give you a price grounded in what's selling today. No fluff. No filler. UNLIMITED SCANNING Go unlimited with ThriftHaul: • Unlimited scans — never get cut off mid-haul • Live eBay market comps on every scan • Save thrifts to collection and create + organize groups • Revenue and profit tracking • Advanced analytics dashboard • Priority AI analysis • Hot new features as they ship Subscription auto-renews. Cancel any time in Settings. Results are AI estimates based on market data analysis. Always verify before purchasing. Past resale prices do not guarantee future results. Privacy Policy: https://thrifthaul-web.vercel.app/privacy Terms of Use: https://thrifthaul-web.vercel.app/terms Support: https://thrifthaul-web.vercel.app/support
Written user reviews are not shown here. Check current App Store reviews >
Screenshots
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Build scope
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Define the first version
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Set boundaries
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Check the hard parts
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
SUGGESTED BUILD STACK
React Native
Expo
Zustand
react-navigation
expo-camera
expo-image-picker
BUILD KIT DIFFICULTY
Advanced
From the Build Kit assessment.
A reliable timeline needs an agreed scope and a technical check. Ask your agent to estimate the phases in BUILD_PLAN.md after that review.
