ROI Calculator
Sliders in, a payback chart out, for proposals and sales pages.
A simple local index for vendors and upcoming review dates.
/embed and press Enter.https://notionarena.vercel.app/embed/vendor-register/embed → paste this URL → Embed link
https://notionarena.vercel.app/embed/vendor-registerWorks on every Notion plan. No integration, no OAuth, no server. The trade-off: the widget lives on our host, so it needs network access to render, and a workspace serving thousands of page views a day could hit fair-use limits. For offline-safe delivery, use the HTML block tab.
A private reference list for supplier or service aliases, category, internal owner alias, and a manually tracked review date. It does not hold contracts or payments, send renewal reminders, assess vendors, or replace procurement records.
Sliders in, a payback chart out, for proposals and sales pages.
Compare monthly income against four editable expense buckets.
Adjust a small item list with plus and minus stock controls.