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
SellerHound eBay Listing Tool
SellerHound - Your Complete eBay Reselling Companion
$12.99 · In-app purchases
PRICE
$12.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
2 ratings · Top 5%
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 included17 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
Preview a sample Build Kit No email needed
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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Free quick prompt For a smaller starting point
Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for SellerHound eBay Listing Tool: map the core Business 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
Simplify the listing creation with guided prompts and templates.
Assumption to check: Users often find the listing process complicated.
Validate with people who use this workflow before building.
Hypothesis 2
Enhance analytics with more detailed insights and visualizations.
Assumption to check: Limited analytics features compared to competitors.
Validate with people who use this workflow before building.
Hypothesis 3
Allow users to customize templates for their listings.
Assumption to check: Lack of customization options for listings.
Validate with people who use this workflow before building.
Hypothesis 4
Introduce a freemium model with basic features available for free.
Assumption to check: High subscription costs may deter users.
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
SellerHound - Your Complete eBay Reselling Companion Transform your eBay reselling business with SellerHound, the all-in-one app designed for serious resellers who want to maximize profits and streamline operations. What SellerHound Does: Sales & Analytics Dashboard: - Track your eBay performance in real-time. Monitor daily, weekly, and monthly sales, profit margins, and trending metrics. - Set revenue goals and watch your progress with intuitive visualizations. - Inventory Management - Keep perfect track of your inventory with automated syncing from your eBay account. Know exactly what you have in stock, what's selling, and what needs attention. - Smart Bookkeeping & Expense Tracking - Simplify your finances with built-in bookkeeping tools. Track expenses, log mileage, and generate profit/loss reports instantly for tax season. eBay Integration: - Seamlessly connect your eBay account and let SellerHound automatically pull your listings, sales data, and transactions in real-time. Key Benefits: - Save time with automated tasks - Stay organized with centralized data - Tax-ready financial records - Professional, optimized listings - Data-driven business insights How the Subscription Works: Free 7-Day Trial Start with a full 7-day free trial and experience all premium features with no limitations—completely free for 7 days. After Your Trial Once your trial ends, your subscription continues at $12.99 per month. Cancel anytime. Important: Canceling Your Membership If you cancel, you'll immediately lose access to premium features. Canceling your SellerHound account does NOT cancel your subscription. Subscriptions are managed by Apple. How to Cancel Through Apple: - Open Settings on your iPhone/iPad - Tap your name at the top - Tap Subscriptions - Select SellerHound - Tap Cancel Subscription You can also manage subscriptions via iTunes or appleid.apple.com. For billing questions, contact Apple Support. For app support: [email protected] Ready to take your eBay business to the next level? Try SellerHound free for 7 days. By downloading and using SellerHound, you agree to our Terms of Use and Privacy Policy. Privacy Policy https://sellerhound.com/privacy-policy.html Terms of Use https://sellerhound.com/terms-of-service.html
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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
Supabase
TypeScript
React Navigation
Zustand
BUILD KIT DIFFICULTY
Intermediate
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.
