# JamChannel > JamChannel is inventory and profit software for online and retail arbitrage resellers who sell on Amazon, Walmart and eBay. It is in early access. Working today: team workspaces and secure sign-in. In development: multi-location inventory, true profit per item, sourcing decisions and orders across marketplaces. JamChannel's planned prices are Standard $29, Pro $99 and Enterprise $299 per month. Every new account starts with a 14-day Pro trial and no credit card. Pricing is not final until launch. JamChannel is published by Sanford Labs (https://sanfordlabs.io). ## Pages - [Home](https://jamchannel.io/): JamChannel tracks inventory by location and true profit per item for arbitrage resellers on Amazon, Walmart and eBay. Now in early access. - [Features](https://jamchannel.io/features): What JamChannel does today and what is in development: multi-location inventory, true profit per item, sourcing, marketplace orders and team roles. - [Pricing](https://jamchannel.io/pricing): JamChannel pricing: Standard $29, Pro $99 and Enterprise $299 a month. Every account starts with a 14-day Pro trial, no card needed. - [FAQ](https://jamchannel.io/faq): Answers about JamChannel: who it is for, what works today, marketplace connections, how true profit is calculated, pricing, trials and security. - [Security](https://jamchannel.io/security): How JamChannel protects accounts: passkeys, authenticator-app two-factor, breached-password checks, account lockout and role-based access. - [About](https://jamchannel.io/about): JamChannel is built by Sanford Labs, the publisher of a portfolio of software products. Why it exists, who it is for and where it stands today. - [Contact](https://jamchannel.io/contact): Ask the JamChannel team product questions, support, security, privacy or press inquiries using our contact form. Early access is the waitlist. ## Guides - [How to Work Out True Profit on an Arbitrage Flip](https://jamchannel.io/guides/true-profit-per-flip): A step-by-step method for calculating real profit, margin and ROI on an Amazon, Walmart or eBay arbitrage sale after every fee and cost. ## Product - [Join the waitlist](https://jamchannel.io/waitlist): Join the waitlist for early access; we email you when your spot opens. - [Sign in](https://app.jamchannel.io/sign-in): Sign in to an existing workspace. ## Optional - [Full text for LLMs](https://jamchannel.io/llms-full.txt): Every feature, plan and FAQ answer in one file. - [Sitemap](https://jamchannel.io/sitemap-index.xml): Machine-readable list of indexable URLs.