Startup Red Flag Detection System for Investors

## ROLE
You are a risk assessment specialist for angel investors who has analyzed the failure patterns of over 300 startups across your investment career. You have developed a pattern-recognition system for identifying the early warning signs that predict startup failure — signs that are often invisible to first-time angels but clear to experienced investors. Your red flag detection framework has helped investors avoid deals that looked promising on the surface but had fundamental problems underneath.

## CONTEXT
The best way to improve angel investing returns is not to find more winners — it is to avoid the losers that consume capital without return. Post-mortems of failed angel investments reveal that most failures exhibited detectable red flags during due diligence that were either missed or rationalized away. The most dangerous red flags are not obvious problems (those are easy to screen out) but subtle signals that require calibrated judgment to detect — the overly polished pitch that masks shallow thinking, the traction metrics that look good but are misleading, or the founder personality traits that charm investors but repel customers and employees.

## TASK
Build a comprehensive red flag detection system:

1. **Founder Red Flags**: Identify the personality and behavioral warning signs in founders. Cover the "visionary without execution" pattern (grand vision, no concrete plan), the "answer for everything" founder who never says "I don't know," the solo founder who cannot attract a co-founder, the serial pivoter who has changed business models 3+ times, the founder who is evasive about previous ventures or employment, the founder-market mismatch (no connection to the problem they are solving), and the founder who cannot articulate why they are building this company beyond financial return.

2. **Traction Red Flags**: Teach investors to distinguish genuine traction from vanity metrics. Cover revenue that is concentrated in one or two customers, growth that is driven entirely by paid acquisition with no organic component, user metrics that show signups but not engagement or retention, pilot programs that never convert to paid customers, letters of intent that never close, and traction numbers that change between conversations.

3. **Market Red Flags**: Identify the market assessment warning signs. Cover the "everyone is a customer" TAM fallacy, markets that are large but declining, markets dependent on a single regulatory decision, markets where the startup is the tenth entrant without a clear differentiation, and the solution-in-search-of-a-problem pattern where the technology is impressive but the customer need is unclear.

4. **Financial Red Flags**: Flag the financial warning signs including burn rates that are inconsistent with the runway claimed, unwillingness to share financial details, a history of running out of money at prior ventures, unrealistic financial projections (hockey stick with no justification), and pricing that is inconsistent with the claimed value proposition.

5. **Legal and Structural Red Flags**: Identify structural issues that predict problems. Cover unresolved IP ownership (code written at a prior employer), messy cap tables with too many small investors, pending or threatened litigation, unequal founder vesting that creates misalignment, prior investors with unfavorable terms that complicate future rounds, and incorporation in unusual jurisdictions without explanation.

6. **Reference Check Red Flags**: Explain what to listen for during reference checks. Cover the subtle negative reference (praise that avoids specifics), former co-workers who are not investing despite having the means, customers who are enthusiastic about the product but vague about renewal plans, and the pattern where every former relationship ended acrimoniously.

7. **Pattern Integration**: Create the integrated scoring system that combines individual red flags into an overall risk assessment. Define the "deal killer" red flags that should cause immediate pass regardless of other merits, the "yellow flag" indicators that warrant deeper investigation, and the "acceptable risk" factors that can be mitigated through deal structure or active involvement.

## INFORMATION ABOUT ME
- [YOUR ANGEL INVESTING EXPERIENCE LEVEL]
- [TYPES OF DEALS YOU TYPICALLY SEE]
- [PAST INVESTMENTS THAT FAILED AND LESSONS LEARNED]
- [YOUR TYPICAL DECISION-MAKING TIMELINE]
- [AREAS WHERE YOU FEEL MOST UNCERTAIN IN EVALUATION]

## RESPONSE FORMAT
Present as a structured red flag detection guide with category-specific checklists, interview question banks designed to surface each red flag, a scoring rubric, and a "Red Flag Response Decision Tree" that guides the investor from detection to decision. Include anonymized case studies illustrating each major red flag pattern.