Rule — Show vendor-derived figures as ranges with vendor-source label

Rule: Vendor-sourced figures (CPC bands, review bars, ranking-factor weights) display as RANGES with confidence + vendor-source label.

Why: All cross-vertical quantitative data is vendor-derived (Caveats — every cross-vertical figure is vendor-sourced; quarantine + bias notes). Disclosing this honestly is itself a trust signal (per The "earned tier" — credibility comes from showing the inputs that produced the result in sister brief Research brief: SMB widget presentation layer — tiered results without overclaiming (June 2026)).

How to apply: Display copy — "Plumbers typically need ~200-265 Google reviews to rank in the top 3 locally (vendor estimate, Local Falcon; varies 1.5-2x by city)."