RESEARCH · REF
Bibliography
Every source used, grouped by research track.
In brief
Track A · Google official documentation
- https://support.google.com/business/answer/7091 · Local ranking factors (Relevance, Distance, Prominence) and the "no-pay-for-ranking" line.
- https://support.google.com/business/answer/3038177 · Profile content guidelines, categories, description, business name rules.
- https://support.google.com/business/answer/3039617 · Services list mechanics.
- https://support.google.com/business/answer/9853471 · Products tab on Business Profiles.
- https://support.google.com/business/answer/6103862 · Photos and videos guidelines.
- https://support.google.com/business/answer/3474122 · Reply to reviews.
- https://support.google.com/business/answer/3474050 · Review content policy.
- https://support.google.com/business/answer/7342169 · Posts on Business Profiles.
- https://support.google.com/business/answer/7213077 · Posts content policy (no phone numbers rule).
Track B · YouTube competitor research
- Sterling Sky: "5 Secrets to Optimize Your Google Business Profile in 2026" · used for quantified-outcome hook formula.
- Steve Hunsaker: "How to Optimize Your Google Business Profile to Outrank 99% of Local Businesses" · used for loss-frame open.
- Whitespark / Darren Shaw: "6 Crazy Google Business Profile Secrets Almost Nobody Knows" · used for open-loop technique.
- Sterling Sky: "Google Suspended This Profile" · live-audit lead-magnet mechanic reference.
- Bambiz, Robin Mehta, Digital Dhanu channels surveyed for negative examples (saturated listicle opens).
Track C · Email and landing-page conversion
- https://belkins.io/blog/b2b-cold-email-subject-line-statistics · B2B cold email subject-line data.
- https://wistia.com/learn/marketing/testing-video-thumbnails-in-emails · video thumbnail A/B test (~21% lift).
- https://www.vidalytics.com/case-studies/wistia-youtube-vimeo-vidalytics-split-test · 595K-session player split test.
- https://www.vidalytics.com/case-studies/autoplay-increases-conversions-split-test · smart autoplay +49% lift.
- https://mailchimp.com/resources/email-marketing-benchmarks/ · CTR benchmarks by sector.
- https://www.loom.com/use-case/sales · Loom for sales / Intercom case study.
- Stripe product documentation · Stripe Link conversion uplift.
- Typeform documentation · completion-rate thresholds by question count.
- https://swipepages.com/blog/7-best-vsl-landing-page-examples-of-2026/ · landing-page principles reference.
Track D · VSL frameworks
- http://www.kingmakermarketing.com/frank-kern-results-in-advance/ · Kern Results in Advance.
- https://www.stefanpaulgeorgi.com/the-rmbc-method-for-better-copy/ · Stefan Georgi RMBC method.
- https://www.clickfunnels.com/blog/complete-guide-high-converting-webinar/ · Brunson Perfect Webinar structure.
- Eugene Schwartz, Breakthrough Advertising, 1966 · five-level awareness model.
- Gary Halbert AIDA · The Gary Halbert Letter archives.
- John Caples, Tested Advertising Methods · headline formulas.
- Robert Cialdini, Influence: The Psychology of Persuasion · seven principles.
- The Wealthy Consultant, "Fix Your VSL Forever" (May 2025) · contemporary VSL deconstruction.
- Vidico, VSL conversion benchmarks 2026.
Track E · Competitive scan
- reviewoverhaul.com/google-my-business-optimization-service · Review Overhaul ($400 productized).
- gmbgorilla.com · GMB Gorilla ($500 per profile).
- searchberg.com/google-my-business-optimization · SearchBerg ($299).
- 1solutions.biz/google-my-business-optimization · 1Solutions (from $250).
- GMBJet · $549/mo retainer, reinstatement guarantee.
- Renew Local · pricing model reference.
- Merchynt · GMB audit tool reference.
- DesignJoy, Flowout, WP Buffs, The Logo Company · borrowed-pattern references for the 14-day SLA mechanic.
Track F · Shop-owner psychology
- https://partstech.com/resource/blog/2025-partstech-report-state-of-general-auto-repair-shops-in-the-u-s/ · PartsTech 2025 State of General Auto Repair Shops.
- https://www.wickedfile.com/blogs/how-much-does-an-independent-auto-repair-shop-make-in-2026 · Wickedfile 2026 independent shop economics.
- Remarkable Results Radio (Carm Capriotto, podcast).
- Shop Marketing Pros (Brian Walker, podcast).
- AgentZap · auto repair phone statistics.
- https://www.consumeraffairs.com/news/small-businesses-hit-by-global-scam-of-fake-negative-google-reviews-091125.html · fake review scam coverage.
Track G · Internal NL artifacts
F:/New Limits/02 GMB Engine/GMB_AUDIT_SOP.md· 11-section audit checklist.F:/New Limits/02 GMB Engine/GMB_Profile_Guidelines.md· Google verbatim guidelines.F:/New Limits/02 GMB Engine/GMB_Operational_Rules.md· industry-vs-Google with status flags.F:/New Limits/02 GMB Engine/scraper/gmb_scan.py· scraper field-mask source for the hidden-data verification.F:/New Limits/02 GMB Engine/03 Client Audits/sga/· Strictly German Auto case files.F:/New Limits/02 GMB Engine/03 Client Audits/konkin/· Konkin Service Center case files.F:/New Limits/00 Inbox/transcribe/2026-04-30 16-31-46.txt· meeting transcript covering the offer and funnel decisions.- Waheed's prior VSL prompter · narrative-arc reference.