Plan product margins, compare scenarios and export results on desktop or phone.
MarginMint is a working, responsive product profit planner for small online sellers. It helps users model a consistent order, see costs clearly and compare pricing scenarios. FEATURES Live per-order profit, contribution margin, monthly estimates and break-even orders. Accounts for product cost, packaging, shipping, advertising, other variable costs, percentage/fixed transaction fees and monthly fixed costs. Save and compare up to 20 scenarios locally. Export CSV, download JSON backups and restore validated backups. USD, EUR, GBP, CAD and AUD formatting. DESKTOP + PHONE Responsive controls and results. The listing image shows actual desktop and mobile views side by side. INCLUDED Readable HTML/CSS/JavaScript source, local preview server, six calculation/validation tests, setup guide and listing media. No runtime dependencies or paid APIs. The buyer redeploys on their own static host. CURRENT STAGE & LIMITATIONS New pre-revenue project: $0 revenue and no established customer base or verified traffic history. This is a source-code asset sale. Scenarios stay in each device/browser with manual backups; no cloud sync or accounts. Currency is formatting only. Taxes, refunds and returns are not calculated automatically. This is an estimate tool, not accounting software. No custom domain, hosting account, store integrations or payment processing included. Built for a buyer to own, customize and grow. Asking price: $99 USD.
Next step: <p>Potential additions include channel-specific fee templates, product catalogs or optional cloud saving. Those features are not included today. The existing planner can also be offered as a free resource by an ecommerce consultant or community.</p>
For sale
Asking price: $300 USD
What's included
Source code, All related design work
Complete source ZIP, setup guide, six automated tests and desktop/mobile listing image. Buyer redeploys on their own static hosting account. No custom domain, hosting account, customer data or social accounts included.
Reason for selling
Built as a standalone product for a buyer to own, customize and grow.
Project metrics
Average Monthly Visitors: Pre-launch
Average Monthly Revenue: Pre-revenue
More side projects like MarginMint — Product Profit Planner
SideProjectors is a marketplace where developers can sell, buy, and showcase side projects and find co-founders. The platform lets you list projects for sale, discover projects to buy, seek co-founders, and share projects with the community.