price-tracker

Compare product prices across Amazon, eBay, Walmart, and Best Buy.

1|Updated Feb 15, 2026

Search Tags:#e-commerce #savings #price tracking #arbitrage #product comparison #deal hunting

Ready to run

npx skills add https://github.com/rustykuntz/rocie-tools --skill price-tracker

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: price-tracker
Source: https://github.com/rustykuntz/rocie-tools/tree/main/skills/price-tracker
Command: npx skills add https://github.com/rustykuntz/rocie-tools --skill price-tracker

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) components.

What problem does it solve?

This Skill helps users find the best prices for products across multiple e-commerce platforms and track price changes to identify arbitrage opportunities or save money.

Core Features & Use Cases

Product Price Comparison: Compares prices for the same product across Amazon, eBay, Walmart, and Best Buy.
Arbitrage Opportunity Identification: Calculates potential profit margins for buying on one platform and selling on another.
Price Monitoring & Alerts: Tracks price drops and notifies users when target thresholds are met.
Historical Price Analysis: Shows price history to identify trends and optimal buying times.
Use Case: A user wants to buy a new gaming console. They can use this Skill to find the lowest current price across all supported retailers and set up an alert if the price drops by a certain percentage.

Quick Start

Use the price-tracker skill to compare prices for the 'Sony WH-1000XM5' headphones across all platforms and report the findings in markdown format.

Frequently Asked Questions about price-tracker

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I compare product prices across Amazon, eBay, Walmart, and Best Buy?▼

This Skill performs product price comparison by searching Amazon, eBay, Walmart, and Best Buy simultaneously to identify the lowest current price for identical items.

Can I calculate arbitrage profit margins factoring in platform fees and shipping?▼

Yes, the Skill calculates arbitrage profit margins by factoring in platform fees and shipping costs to identify profitable opportunities between Amazon, eBay, Walmart, and Best Buy.

What is the best way to track price drops and get alerts for e-commerce products?▼

The best way to track price drops is by using this Skill's automated alerts, which notify you when target price thresholds or margin percentages are met across supported retail platforms.

How does historical price analysis work for identifying optimal buying times?▼

Historical price analysis works by tracking price fluctuations over time, allowing you to identify price trends and determine the optimal time to purchase a product.

Does this price tracking tool support automated notifications for margin thresholds?▼

Yes, this price tracking tool supports automated alerts specifically for margin thresholds, notifying you when arbitrage opportunities meet your predefined profitability criteria.

What are the limitations when searching for deals across multiple e-commerce platforms?▼

A limitation is that deal hunting is restricted to Amazon, eBay, Walmart, and Best Buy, meaning products sold exclusively on other e-commerce platforms cannot be tracked or compared.