# Stage 01: Niche Audit & Business Model Selection

> Filter out 90% of fatal traps using 18 verified financial audits before writing code or forming an entity.

## M01 — Module 01: Dual-Lane Entry Criteria & High-Win-Rate Wedges

**Core Principle**: A Company of One isn't restricted to tiny digital wrappers—its real boundary is nonlinear fulfillment. Keep your 1 unfair founder edge, plug the other 4 functions into AI Virtual Departments, and operate across two high-leverage lanes: (1) AI-native B2B retainers & Micro-SaaS (>=70% margin), or (2) AI trend-mined physical/DTC brands fulfilled via OEM/POD + 3PL warehouses (>=3.5–5x retail markup, zero manual packing).

### Track 1 · B2B Productized Retainer ($1.5K–$5K/mo): Sell Done-For-You Revenue & Audit Operations
- Target High-Margin SMB Bottlenecks: E-commerce brands, law firms, clinics, and agencies gladly pay $1,500–$5,000/mo for productized AI workflows that replace a $4,500/mo junior hire.
- Audit Benchmarks: BID-003 AEO Engine ($180k/mo at 93% gross margin) and BID-023 White Glove Content ($40k/mo on 8 retainer clients) prove productized B2B retainers are the fastest path to $10K–$30K/mo solo cashflow.
- Strict Redline: Never sell $49–$79 Lifetime Deals (LTD) on unthrottled LLM/voice APIs (BID-001 AIWriteBook inverted its cash flow in 4 months).

### Track 2 · Micro-SaaS & Stateless Pipe ($29–$199/mo): Legacy Connectors & Prepaid Credit Packs
- Compete on Workflow Plumbing, Not Paid Ads: Avoid burning 53% of revenue on Meta ads (BID-008 Nutria) or fighting 16%/mo churn in generic consumer chatbots (BID-005 Chatbase).
- Build Stateless Pipes: Like BID-018 Conductor ($27k/mo, 95%+ margin) or BID-021 BankStatementConverter ($52k/mo), bridge legacy software or deterministic document parsing without heavy GPU hosting.
- Credit Packs Beat Unlimited Plans: If your tool runs heavy generation (vision, voice, scraping), sell prepaid credit packs (BID-016 Cloner at 78% margin) instead of flat unlimited tiers.

### Track 3 · Regulated & B2B2B Channel ($5K–$25K/yr): Compliance Workbenches & Agency White-Label
- Monetize High-Switching-Cost Compliance: Build audit-readiness, legal discovery, or financial reconciliation workbenches (like BID-011 Comp AI at $122.9k MRR in SOC 2 readiness).
- B2B2B Channel Leverage: Instead of chasing individual SMBs one by one, license white-label seats to accounting firms, MSPs, or vertical agencies that already serve 100+ businesses.
- Pricing Rule: Charge an upfront onboarding/implementation fee + annual seat license + zero-data-retention enterprise API surcharge.

### Audited 5-Question Niche Filter & B2B Pivot Matrix
```text
[立项前「高杠杆一人公司」4 条准入标尺 —— 任一题踩红线立即换题]
1. 履约非线性（人力解耦）：订单翻 10 倍时，能否靠 API、飞书自动化、或 1688 代工厂 + 3PL 第三方云仓自动吞吐，而不需要你亲自打包快递或招施工车队？
2. AI 杠杆闭环：在「情报选品 → 产研/供应链 → 内容获客 → 24h 转化 → 财务合规」五大虚拟部门中，AI 是否至少帮你省掉了 3–4 个全职岗位的人力成本？
3. 单位经济安全垫：
   • 数字/B2B 服务航道：扣除通道费与重度用户 P95 算力后，毛利率是否 >= 70%？
   • 轻实体/跨境选品航道：终端售价是否 >= 出厂拿货价的 3.5–5 倍（毛利 >=60%），且首批测款库存投入 <= ¥10,000（$1,500）？
4. 冷启动与首单验证：把参考对象的大 V 粉丝滤镜剥掉后，能否靠搜索词截流、差评痛点钩子或 3 份定制小样，在周末 72 小时内测出真实付款/定金意愿？
```

## M02 — Module 02: Anti-Inversion Pricing & Unit Economics Stress Test

**Core Principle**: API compute is metered cash out; never pair it with uncapped flat pricing. P95 heavy-user compute + payment fees must stay <= 30% of price (>= 70% gross margin).

### Track 1 · B2B Productized Retainer: Paid Pilot + Monthly Retainer + Hard Scope Cap
- Anchor Against Payroll, Not SaaS Subscriptions: Position a $2,500/mo automated workflow retainer against a $55,000/yr operations coordinator, not against a $20/mo ChatGPT seat.
- Collect via ACH / Direct Debit: Use Stripe US ACH (0.8% capped at $5) or BACS/SEPA for B2B retainers over $1,500 to save ~2.9% credit card fees.
- Always Cap P95 Usage in Your SOW: Define exact monthly deliverable/run allowances (e.g., up to 50 audited reports/mo) so one heavy client cannot eat your margin.

### Track 2 · Micro-SaaS & Stateless Pipe: Hybrid Subscription + Prepaid Credit Packs + BYOK
- Eliminate Chargeback & Compute Bleed: Follow BID-016 Cloner ($49 credit packs, 78% margin)—every heavy generation deducts prepaid credits.
- BYOK (Bring Your Own Key) Tier: Offer a high-margin license tier where power users plug in their own OpenAI/Anthropic API key (BID-015 Postiz).
- Buffer 15% for Retries: Always multiply raw token/audio API cost by 1.15 when setting monthly tier limits.

### Track 3 · Regulated & B2B2B Channel: Setup Fee + Annual Contract + Wholesale Agency Seats
- 3-Part Contract Structure: $1,500–$3,000 upfront setup fee + annual committed seat license + prepaid overage packs.
- Zero Uncapped Promises: Never sign 'unlimited seats / unlimited calls' with enterprise or agency buyers.

### Anti-Inversion Quota Formula & 3-Tier B2B Retainer Pricing Sheet
```text
[单客算力安全边界公式（已内置于本页上方实时模拟器）]
• 实际到手净额 (Net_Rev) = 套餐标价 P × (1 - 支付通道费率 r) - 单笔固定费 f - 退款拒付预留 (3%)
  - 微信/支付宝直连：r = 0.6%, f = ¥0
  - Stripe 美元卡/跨境：r = 2.9% ~ 3.9%, f = $0.30
• 单次任务真实算力成本 (Unit_Cost) = (输入Token × 单价 + 输出Token × 单价) × 重试系数 (1.25) + 外部API调用费 (语音/生图/爬虫)
• 套餐硬上限次数 (Max_Quota) = floor( (Net_Rev × (1 - 目标毛利率 75%)) ÷ Unit_Cost )
⚠️ 强制熔断线：当单用户当月累计消耗达到 Max_Quota 的 80% 时自动发邮件/企微提醒；达到 100% 时立即停用高成本模型并弹出点数加购窗口。
```