A blog post requires research, writing, review, design, engineering or CMS work, distribution, and maintenance. A lead magnet adds landing pages, forms, delivery, CRM, consent, and support. A webinar adds speakers, rehearsal, event operations, moderation, and follow-up. A community adds continuing stewardship. Model-assisted drafting may reduce some labor while adding provider cost, evaluation, correction, and governance. Compare the complete path rather than the visible artifact.
Cost does not establish value, and low cost does not justify weak work. Record the hypothesis for each format: which reader progress it may support and which evidence would justify continuation. Include guardrails such as complaints, unsupported claims, delivery failures, unqualified handoffs, or maintenance burden. A format should be retired or redesigned when the operating cost and risk no longer support the observed decision value.