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Provide your active subscriber count and open rate from your ESP export, and the Skill sizes the per-send impression base, then sets CPM, CPC, or flat-rate pricing per placement with inventory slots, fill-rate assumptions, and a floor price.

The Skill sets free and paid tier structures with price points, applies an explicitly stated conversion-rate assumption, and computes MRR/ARR from active subscribers. Revenue figures are labeled Estimated since they rest on assumed conversion rates.

At minimum you need an active-subscriber count, open or click rates from an ESP export, and a monetization goal such as paid subscriptions, sponsorships, or both. Without any of these, the Skill asks for inputs rather than guessing.

No, it delegates return math such as revenue-per-send, list value, and payback to the roi-calculator skill, which is the single source of truth for those figures. This Skill only sets the revenue model inputs.

Every sponsorship must be labeled as an ad per FTC disclosure rules, and any price, discount, or performance claim must trace to an approved claims ledger. Unsubstantiated claims are flagged as D1 risks for the auditor rather than asserted.

The Skill ships no built-in benchmark tables. Missing figures are marked as needing a source and left blank rather than filled with fabricated industry assumptions, keeping the model honest.