Jimmy Decodes / Cases / Dataford Inc. & Supergrow vs. LocalRank.so & Advise.so
BID-068 · 30-Follower Compounding vs. Influencer Pump-and-List · Dataford's 41.14x Surge ($37K MRR) & Supergrow ($79K MRR) vs. Jacky Chou's -63% Listings

Dataford's 41.14x Surge ($37K MRR) & Supergrow ($79K MRR) vs. Jacky Chou's -63% Listings

One of the most expensive mistakes in micro-PE is buying an influencer-hyped SaaS during its launch peak! Comparing four verified Stripe ledgers exposes the math of 'Influencer Pump-and-List' vs. 'Quiet Product Compounding': 1) 63,221-follower influencer Jacky Chou (@indexsy) listed both of his startups for sale in early December 2025 at the exact peak of their monthly revenue — LocalRank.so (peaked at $44,099 in Dec 2025, listed Dec 5, 2025 for $1,789,000 at 10.1x) and Advise.so (peaked at $45,474 in Dec 2025, listed Dec 12, 2025 for $469,690 at 2.8x, totaling $2,258,690 in asking price). Over the next 10 months, as launch hype faded, LocalRank plunged -58.72% to $18,203 (Oct 2026) and Advise plunged -67.64% to $14,717 (combined monthly revenue down -63.25%, with both sitting unsold 11 months later)! 2) Meanwhile, US founder Amney Mounir (@data_with_amney) — with just 30 X followers (0.047% of Chou's audience!) — built interactive data/SQL interview prep platform Dataford Inc. (dataford.io, $29/mo or $89/yr), growing monthly revenue 41.14x in 5 months from $1,109 (Apr 2026) to $45,622 (Sep 2026) and $43,073 in the last 30 days ($37,161 MRR?MRR (Monthly Recurring Revenue)Normalized monthly subscription revenue from active recurring plans—strictly excluding one-time setup fees, lifetime deals, or pass-through marketplace GMV. across 1,854 active subscriptions — beating both of Chou's startups combined by 1.495x)! 3) Alongside Deven's Supergrow (supergrow.ai, 5,957 X followers, $79,479 MRR +24.9% across 2,315 subscriptions), these ledgers prove why interactive product utility beats influencer launch spikes every time!

Jimmy ·
30-Follower SaaSInfluencer Exit AuditInteractive SQL/Data PrepB2B Content Engine
⚡ The short answerVerified

Why did two SaaS startups owned by a 63,221-follower influencer plunge -63.25% in monthly revenue right after being listed for $2,258,690 at their December peak, while a founder with just 30 X followers grew monthly revenue 41.14x in 5 months to $45,622/mo across 1,854 active subscriptions? Let's audit the four primary-source Stripe ledgers:.

🎯 Operator Takeaway:1) Never buy a SaaS at a 10x multiple during its founder-driven launch spike; demand 6+ months of post-launch cohort stability. 2) Clone Dataford's '$29/mo ($89/yr) Zero-Backend Browser Sandbox (DuckDB-Wasm / Pyodide) + Real Company Case Drills' for high-paying career tracks where every interview question ranks on Google for free!
📊 Expand 3-Ledger Quick Summary (Full Audit Table in Section 1 Below) ↓
01
The Influencer 'Peak-Month Pump-and-List' Curve (LocalRank.so & Advise.so): - Founded in Canada by Jacky Chou (@indexsy, 63,221 X followers, synced Nov 7, 2026 via Stripe). - Fueled by influencer distribution, both startups hit their all-time monthly highs in December 2025: LocalRank.so hit $44,099 and Advise.so hit $45,474 ($89,573/mo combined). Right at that peak, Chou listed LocalRank.so on Dec 5, 2025 asking $1,789,000 (10.1x multiple) and Advise.so on Dec 12, 2025 asking $469,690 (2.8x multiple). - The 10-Month Post-Peak Decay: From Dec 2025 to Oct 2026, LocalRank.so fell -58.72% to $18,203 ($14,798 last 30d -28.0%, 189 active subs), while Advise.so fell -67.64% to $14,717 ($14,006 last 30d -13.5%, 207 active subs). Despite 21,588 combined listing views and 26 offers, both remain unsold 11 months later
02
Dataford Inc. (dataford.io)
30 X Followers, 41.14x Growth, and $37,161 MRR Across 1,854 Subscriptions: - Founded Apr 17, 2023 in the US by Amney Mounir (@data_with_amney, just 30 X followers, synced Nov 7, 2026 via Stripe). - Instead of relying on X hype, Dataford built an interactive in-browser SQL/Python/Data Engineering interview prep sandbox priced at $29/mo or $89/year (50,000 users [Self-Reported]). - Verified Ledger Performance: Monthly revenue surged 41.14x in 5 months from $1,109 in Apr 2026 to $45,622 in Sep 2026 and $44,241 in Oct 2026 ($43,073 last 30d — 1.495x the combined 30d revenue of both LocalRank.so and Advise.so!), reaching $37,161 Current MRR across 1,854 active subscriptions ($20.04/mo derived ARPU?ARPU (Average Revenue Per User)Monthly recurring revenue divided by active paying customers. Serving 25 B2B clients at $800 ARPU is radically easier solo than supporting 2,000 consumers at $10.)!
03
Supergrow (supergrow.ai)
$79,479 MRR (+24.9% MoM) Across 2,315 Subscriptions: - Built by Deven (@devenbhooshan, 5,957 X followers, DR 62.0, synced Feb 28, 2026 via Stripe): a sticky LinkedIn personal-branding workflow engine generating $474,580 all-time and $79,479 MRR across 2,315 active subscriptions ($34.33/mo ARPU)
Dataford's 41.14x Surge ($37K MRR) & Supergrow ($79K MRR) vs. Jacky Chou's -63% Listings

Key numbers

Dataford Inc. (dataford.io) 30-Follower Surge LedgerAll-Time $233,624 | Apr 2026 $1,109 -> Sep 2026 $45,622 (41.14x) | MRR $37,161 Verified[Verified] TrustMRR Stripe sync (2026-11-07, 30 X followers, 1,854 active subs) · $43,073 30d revenue at $29/mo or $89/yr ($20.04 ARPU) — 1.495x both influencer listings combined?Data Source: TrustMRR (Read-Only Payment API Ledger)Connects via read-only API keys to a startup's live Stripe, RevenueCat, Polar, Paddle, or Lemon Squeezy account to verify all-time cash, 30-day revenue, and active subscriptions. Audit blind spot: does NOT show ad spend or whether an old Stripe account includes legacy agency billing.
Supergrow (supergrow.ai) 2,315-Sub Compounding LedgerAll-Time $474,580 | 30d $32,216 (+14.0%) | Current MRR $79,479 (+24.9%) | 2,315 Subs Verified[Verified] TrustMRR Stripe sync (2026-02-28, founder @devenbhooshan, DR 62.0) · $34.33/mo ARPU compounding steadily via daily B2B LinkedIn workflow stickiness?Data Source: Stripe (Verified Payment Processor API)Direct read-only verification of gross cash volume, last-30-day receipts, and normalized recurring subscriptions (MRR). Audit rule: always compare 30-day cash vs. MRR—a huge gap signals one-time setup fees or pass-through GMV.
LocalRank.so ($1.789M / 10.1x Peak-Month Listing)All-Time $742,708 | Dec 2025 $44,099 -> Oct 2026 $18,203 (-58.72%) | MRR $19,012 (-7.6%) Verified[Verified] TrustMRR Stripe sync (2026-11-07, Jacky Chou 63,221 X followers, 189 subs) · Listed Dec 5, 2025 at peak for $1,789,000 (10.1x); unsold 11 months later after -58.7% drop
Advise.so ($469.7K Twin Peak-Month Listing)All-Time $1,034,928 | Dec 2025 $45,474 -> Oct 2026 $14,717 (-67.64%) | 30d $14,006 Verified[Verified] TrustMRR Stripe sync (2026-11-07, listed Dec 12, 2025 at peak, 207 subs) · Combined Dec 2025 peak ($89,573/mo) across both listings fell -63.25% to $32,920/mo in Oct 2026
Solo B2B 'Zero-Server Wasm Sandbox + AI Grader' Model$29/mo or $89/yr | Client-Side DuckDB-Wasm/Pyodide + AI Hint COGS <= $54/mo | ~96% Margin Our estimate[Model Estimate] Runs SQL/Python grading inside the user's browser at $0 server compute cost · 1,850 active subscribers replicate Dataford's $37,161 MRR with upfront $89 annual cash collection

Every number carries an evidence label: Verified = payment account, filing or official price page; Self-reported = the company's own claim; Third-party = media or data platforms; Our estimate = calculated from stated assumptions.

1. Primary-Source Stripe Ledger Audit: Dataford Inc. & Supergrow vs. LocalRank.so & Advise.so

01
The Influencer 'Peak-Month Pump-and-List' Curve (LocalRank.so & Advise.so): - Founded in Canada by Jacky Chou (@indexsy, 63,221 X followers, synced Nov 7, 2026 via Stripe). - Fueled by influencer distribution, both startups hit their all-time monthly highs in December 2025: LocalRank.so hit $44,099 and Advise.so hit $45,474 ($89,573/mo combined). Right at that peak, Chou listed LocalRank.so on Dec 5, 2025 asking $1,789,000 (10.1x multiple) and Advise.so on Dec 12, 2025 asking $469,690 (2.8x multiple). - The 10-Month Post-Peak Decay: From Dec 2025 to Oct 2026, LocalRank.so fell -58.72% to $18,203 ($14,798 last 30d -28.0%, 189 active subs), while Advise.so fell -67.64% to $14,717 ($14,006 last 30d -13.5%, 207 active subs). Despite 21,588 combined listing views and 26 offers, both remain unsold 11 months later
02
Dataford Inc.
dataford.io
30 X Followers, 41.14x Growth, and $37,161 MRR Across 1,854 Subscriptions: - Founded Apr 17, 2023 in the US by Amney Mounir (@data_with_amney, just 30 X followers, synced Nov 7, 2026 via Stripe). - Instead of relying on X hype, Dataford built an interactive in-browser SQL/Python/Data Engineering interview prep sandbox priced at $29/mo or $89/year (50,000 users [Self-Reported]). - Verified Ledger Performance: Monthly revenue surged 41.14x in 5 months from $1,109 in Apr 2026 to $45,622 in Sep 2026 and $44,241 in Oct 2026 ($43,073 last 30d — 1.495x the combined 30d revenue of both LocalRank.so and Advise.so!), reaching $37,161 Current MRR across 1,854 active subscriptions ($20.04/mo derived ARPU)!
03
Supergrow
supergrow.ai
$79,479 MRR (+24.9% MoM) Across 2,315 Subscriptions: - Built by Deven (@devenbhooshan, 5,957 X followers, DR 62.0, synced Feb 28, 2026 via Stripe): a sticky LinkedIn personal-branding workflow engine generating $474,580 all-time and $79,479 MRR across 2,315 active subscriptions ($34.33/mo ARPU)

2. Solo B2B Productized Architecture: High-Salary Career & B2B Certification 'In-Browser Zero-Setup Data/Workflow Sandbox + Real-World Case Drills' SaaS

[Layer 1: Zero-Server-Compute In-Browser Execution Sandbox] Stack: Open-source DuckDB-Wasm (in-browser SQL) + Pyodide (WebAssembly Python) — The unit-economics secret behind Dataford's $89/yr pricing: 100% of SQL queries and Python dataframe operations execute inside the user's browser tab via WebAssembly — costing $0 in backend server compute and eliminating container escape risks! (Cost: $0/mo compute)

[Layer 2: '500 Real-World Company Case Drills' Programmatic SEO Matrix] Stack: Next.js SSG + Embedded Monaco Editor (VS Code in-browser) — Publishes 500 indexable problem pages ('Meta Retention Cohort SQL Question', 'Stripe MRR Churn Bridge Python Drill') where visitors can run code against 2 public test cases without signing up (Cost: $0/mo (Cloudflare Pages))

[Layer 3: 'Socratic AI Hiring Manager' Code & Edge-Case Critic] Stack: Claude 3.7 Haiku / Sonnet Structured Feedback Pipeline — Instead of dumping raw solutions, critiques the user's query like a Staff Engineer ('What happens to your LEFT JOIN if a customer cancels and resubscribes on the same day?') (Cost: ~$18/mo API)

[Layer 4: 'Hidden Edge-Case Test Suite + $89/Yr Decoy Anchor' Paywall] Stack: Stripe Checkout ($29/mo decoy vs. $89/yr no-brainer annual plan) + Supabase — Clones Dataford's exact pricing psychology: when 1 month is $29 and a full year is $89 (3x monthly), 75%+ of job seekers pick the $89 annual plan upfront — eliminating post-interview 2-month churn! (Cost: $0–$25/mo)

[Layer 5: Acquisition 'Peak-Drawdown & Influencer Dependency' Filter] Stack: Automated 12-Month Stripe Cohort Decay Formula — Flags any SaaS listed within 30 days of an all-time revenue spike where Current_Month / Peak_Month < 0.65 (catching LocalRank's 0.41 and Advise's 0.32 instantly) (Cost: $0/mo)

3. Step-by-Step Zero-Code Execution & Risk Mitigation

STEP 1
Dodge 10.1x Influencer Exit Traps & Build a 'Real-World Dirty-Data Drill Bank'
Memorize the forensic lesson from Jacky Chou's twin December 2025 listings — LocalRank.so (listed Dec 5 at $44k/mo peak for $1.789M / 10.1x, now down -58.72% to $18.2k/mo) and Advise.so (listed Dec 12 at $45.5k/mo peak for $469.7k, now down -67.64% to $14.7k/mo): never pay peak multiples for influencer-pumped launch spikes! Instead, model 30-follower Amney Mounir's Dataford Inc. ($1,109/mo -> $45,622/mo in 5 months = 41.14x growth, $37,161 MRR across 1,854 subs). Create a Supabase table named Sandbox_Drill_Bank with 7 exact columns: Drill_ID, Company_And_Role_Tag (e.g., 'Stripe Revenue Data Engineer', 'Meta Cohort SQL Interview', 'RevOps HubSpot/SQL Audit'), Business_Scenario, Dirty_Dataset_Parquet_URL, Public_Test_Assert (2 free test cases), Hidden_Edge_Case_Assert (3 paid edge-case assertions containing NULLs, duplicate webhooks, and timezone traps), and Optimal_Solution. (Guardrail: Never write sterile textbook problems! Every dataset must contain realistic production messiness (duplicate Stripe webhook events, refunded invoices, NULL foreign keys) so users pass the free basic test, fail the hidden edge-case test, and immediately upgrade to see why!)
STEP 2
Embed a $0-Compute DuckDB-Wasm + Pyodide Sandbox in the Browser
Traditional coding platforms burn tens of thousands of dollars running backend Docker grading containers. Eliminate 100% of that server cost by wiring @duckdb/duckdb-wasm and pyodide directly into your Next.js frontend! When a user opens a drill page, their browser fetches a 500KB .parquet dataset from Cloudflare R2 ($0 egress fees) and executes their SQL/Python code locally in WebAssembly in <100ms. (Guardrail: Whether 100 or 50,000 users (Dataford's scale) run queries simultaneously, your backend server CPU load remains 0%!)
STEP 3
Copy-Paste the 'Socratic Staff-Engineer Code Critic' System Prompt
When a subscriber's query fails a hidden production edge case, pipe their code and diff into Claude 3.7 Haiku/Sonnet with this exact prompt: This turns a static question bank into an interactive $300k/yr AI interview coach. (Guardrail: Withholding the full answer code on Hint #1 forces active problem-solving and creates the addictive 'Aha!' loop that drives organic word-of-mouth.)
You are a Staff Data Engineer and Bar-Raiser Interviewer at a top-tier tech company. Business Scenario: [Insert Business_Scenario]. Candidate's Submitted Code: [Insert User_Code]. Failed Hidden Edge Case: [Insert Failed_Edge_Case_Description, e.g., duplicate same-day subscription upgrade/cancel events]. Output Diff: [Insert Diff_Summary].
Deliver a structured 4-part interview critique (do NOT reveal the full solution code on the first hint):
1. `edge_case_autopsy`: Pinpoint the exact production data anomaly (NULL handling, fan-out join, timezone boundary, duplicate webhook) that broke their logic.
2. `socratic_hint`: Give a 1-sentence architectural nudge (e.g., deduplicating events via a `ROW_NUMBER()` window function before joining) so they can fix it themselves.
3. `scale_bottleneck_roast`: Explain what would happen if this query ran on a 10-billion-row production table in Snowflake/BigQuery and how to optimize partitioning/indexing.
4. `bar_raiser_followup`: Ask 1 sharp follow-up product/metric question an interviewer would ask next.
STEP 4
Deploy Dataford's '$29/mo vs. $89/yr Decoy Pricing' to Defeat Job-Prep Churn
Why do most interview-prep apps suffer high churn after 60 days? Because users land a job and cancel their monthly plan! Look at how Dataford solved this: it prices monthly access at $29/mo, and full annual access at $89/year (just 3.06x the monthly price, or $7.42/mo effective)! Any candidate preparing for 2–3 months of interviews realizes 3 months of monthly billing ($87) costs almost the exact same as a full year ($89), driving massive upfront annual conversion, locking in $89 LTV?LTV (Customer Lifetime Value)Total cumulative gross profit earned from a customer before they churn. Paid acquisition is only viable when LTV is at least 3x Customer Acquisition Cost (CAC). upfront, and compounding active subscriptions to 1,854 ($37,161 MRR)! (Guardrail: Index every single company case drill for long-tail Google search ('Stripe SQL interview question churn', 'Airbnb data science take-home challenge') — growing 41x with 30 X followers!)

Risk Guardrail · Paying 10x Multiples for Influencer-Driven Launch Spikes (LocalRank.so & Advise.so): When a 63,221-follower influencer lists two startups in the exact month they hit $44k–$45k/mo peaks, and both drop -58% to -67% over the following 10 months, the lesson is clear: discount influencer launch spikes by at least 60% and audit organic non-social customer acquisition.

Risk Guardrail · Running Untrusted User SQL/Python on Backend Servers Instead of Client-Side Wasm: Provisioning backend Docker containers for every user query destroys unit economics on an $89/yr plan and invites crypto-mining exploits. Execute 100% of queries client-side in DuckDB-Wasm and Pyodide.

Risk Guardrail · Offering Only Monthly Billing in a Episodic Career-Prep Vertical: Job seekers naturally stop practicing once they sign an offer letter after 60–90 days. By pricing the Annual Plan at $89/yr alongside a $29/mo monthly tier (a 3.06x ratio), Dataford captures full annual LTV upfront on Day 1.

BID-068 Deep-Dive Operator Report: Dataford Inc. & Supergrow vs. LocalRank.so & Advise.so — Unit Economics & 90-Day B2B Playbook
BID-068 · DEEP-DIVE OPERATOR REPORT

Pass the fit check? Get the full math, solo tech stack & 90-day plan

Get the 30-page Deep-Dive Operator Report (US$29): unit-economics spreadsheet, Week 1–12 execution SOP, 5 contract checklists, cold outreach scripts, plus the solo-operator tech stack, working marketing workflow tutorial & first-month startup budget.

📋 Full Report Outline (Operational Deliverables Not Shown in Video):
  1. Executive Verdict & Four-Tier Evidence Grading Summary (Primary Ledger & Core Metrics)
  2. Verified Ledger Audit & Per-Unit Cost Breakdown (Payment Fees, AI Compute & Margin Structure)
  3. Three-Scenario 12-Month Sensitivity Stress Test & Valuation Matrix
  4. 90-Day Week-by-Week Execution Roadmap (Weeks 1–12): High-Salary Career & B2B Certification 'In-Browser Zero-Setup Data/Workflow Sandbox + Real-World Case Drills' SaaS
  5. Three-Tier B2B Service Pricing & Gross Margin Architecture
  6. Five Mandatory SOW?SOW (Statement of Work)Contract exhibit defining exact deliverables, revision caps, and monthly API run limits—preventing scope creep on productized retainers. Contract & Compliance Checklists
  7. First-10-Clients 'Sample-First' Cold Outreach Script & 4-Question Discovery Filter
  8. 5-Page Foolproof Zero-Code Technical Setup Manual (7-Column Google Sheets Schema + 2 Copy-Paste Claude Prompts + 4-Step Human QA Gate + Verified 2026 Budget Table: $42–$70/mo vs. $198–$293/mo)
  9. Complete Fact-Checked English Episode Script & 5 Primary Source URLs

Three questions to ask about businesses like this

  1. What are the verified Stripe metrics and unit economics for Dataford Inc. & Supergrow vs. LocalRank.so & Advise.so?
    All-Time $233,624 | Apr 2026 $1,109 -> Sep 2026 $45,622 (41.14x) | MRR $37,161; All-Time $474,580 | 30d $32,216 (+14.0%) | Current MRR $79,479 (+24.9%) | 2,315 Subs.
  2. What is the #1 operational risk or valuation trap to avoid?
    Paying 10x Multiples for Influencer-Driven Launch Spikes (LocalRank.so & Advise.so): When a 63,221-follower influencer lists two startups in the exact month they hit $44k–$45k/mo peaks, and both drop -58% to -67% over the following 10 months, the lesson is clear: discount influencer launch spikes by at least 60% and audit organic non-social customer acquisition.
  3. How can a solo operator launch a 'High-Salary Career & B2B Certification 'In-Browser Zero-Setup Data/Workflow Sandbox + Real-World Case Drills' SaaS' on a $42–$70/mo lean stack?
    Highly Worth It (30-follower Dataford's 41.14x surge to $43K/mo and Supergrow's $79K MRR prove sticky product loops beat 63K-follower hype); Ceiling: $35,000–$80,000/mo (1,800–4,000 active subscribers across $29/mo and $89/yr tiers with ~96% margins); MVP?MVP vs. 72-Hour MBCMinimum Viable Product: the simplest working software prototype. For solo operators, we recommend collecting a paid pilot deposit via a zero-code MBC first before building an MVP. Time: 48 hours to deploy a zero-backend DuckDB-Wasm + Monaco Editor drill sandbox with Socratic AI hints.

FAQ

Paying 10x Multiples for Influencer-Driven Launch Spikes (`LocalRank.so` & `Advise.so`)

When a 63,221-follower influencer lists two startups in the exact month they hit $44k–$45k/mo peaks, and both drop -58% to -67% over the following 10 months, the lesson is clear: discount influencer launch spikes by at least 60% and audit organic non-social customer acquisition.

Running Untrusted User SQL/Python on Backend Servers Instead of Client-Side Wasm

Provisioning backend Docker containers for every user query destroys unit economics on an $89/yr plan and invites crypto-mining exploits. Execute 100% of queries client-side in DuckDB-Wasm and Pyodide.

Offering Only Monthly Billing in a Episodic Career-Prep Vertical

Job seekers naturally stop practicing once they sign an offer letter after 60–90 days. By pricing the Annual Plan at $89/yr alongside a $29/mo monthly tier (a 3.06x ratio), Dataford captures full annual LTV upfront on Day 1.

Sources

All pages accessed in October 2026; figures as of the video's publication.

  1. Dataford Inc. (dataford.io) 30-Follower Surge Ledger: All-Time $233,624 | Apr 2026 $1,109 -> Sep 2026 $45,622 (41.14x) | MRR $37,161 ([Verified] TrustMRR Stripe sync (2026-11-07, 30 X followers, 1,854 active subs) · $43,073 30d revenue at $29/mo or $89/yr ($20.04 ARPU) — 1.495x both influencer listings combined): https://www.jimmydecodes.com/cases/dataford-supergrow-vs-localrank-advise/
  2. Supergrow (supergrow.ai) 2,315-Sub Compounding Ledger: All-Time $474,580 | 30d $32,216 (+14.0%) | Current MRR $79,479 (+24.9%) | 2,315 Subs ([Verified] TrustMRR Stripe sync (2026-02-28, founder @devenbhooshan, DR 62.0) · $34.33/mo ARPU compounding steadily via daily B2B LinkedIn workflow stickiness): https://www.jimmydecodes.com/cases/dataford-supergrow-vs-localrank-advise/
  3. LocalRank.so ($1.789M / 10.1x Peak-Month Listing): All-Time $742,708 | Dec 2025 $44,099 -> Oct 2026 $18,203 (-58.72%) | MRR $19,012 (-7.6%) ([Verified] TrustMRR Stripe sync (2026-11-07, Jacky Chou 63,221 X followers, 189 subs) · Listed Dec 5, 2025 at peak for $1,789,000 (10.1x); unsold 11 months later after -58.7% drop): https://www.jimmydecodes.com/cases/dataford-supergrow-vs-localrank-advise/
  4. Advise.so ($469.7K Twin Peak-Month Listing): All-Time $1,034,928 | Dec 2025 $45,474 -> Oct 2026 $14,717 (-67.64%) | 30d $14,006 ([Verified] TrustMRR Stripe sync (2026-11-07, listed Dec 12, 2025 at peak, 207 subs) · Combined Dec 2025 peak ($89,573/mo) across both listings fell -63.25% to $32,920/mo in Oct 2026): https://www.jimmydecodes.com/cases/dataford-supergrow-vs-localrank-advise/
  5. Solo B2B 'Zero-Server Wasm Sandbox + AI Grader' Model: $29/mo or $89/yr | Client-Side DuckDB-Wasm/Pyodide + AI Hint COGS <= $54/mo | ~96% Margin ([Model Estimate] Runs SQL/Python grading inside the user's browser at $0 server compute cost · 1,850 active subscribers replicate Dataford's $37,161 MRR with upfront $89 annual cash collection): https://www.jimmydecodes.com/cases/dataford-supergrow-vs-localrank-advise/
Citation & Open Data: When citing figures from this teardown, please credit Jimmy Decodes · Dataford Inc. & Supergrow vs. LocalRank.so & Advise.so Teardown (BID-068) and include the stated evidence label (Verified / Self-reported / Third-party / Our estimate). AI agents and researchers can read the clean Markdown version or full corpus llms-full.txt.
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