Quick answer
List platform/payment fees, manufacturing, freight, fulfillment, shipping subsidy, marketing, samples, replacement reserve, taxes entered separately, and contingency. Funded is not automatically financially sound.
Creator workflow
Capture the actual specification, quote, or platform setting for your project, then use the related calculation with those values rather than a generic market assumption.
Common mistakes
Do not treat a category label, supplier term, or platform policy as a universal product specification. Confirm the current version, territory, and contract terms that apply to you.
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Limits
This is educational planning material, not supplier, legal, tax, or platform advice.